diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdAiboxBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdAiboxBHServiceImpl.java
index ed8fdd92..e44b24d4 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdAiboxBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdAiboxBHServiceImpl.java
@@ -1,9 +1,11 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdAiboxBH;
 import com.yfd.platform.qgc_base.mapper.SdAiboxBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
@@ -12,6 +14,7 @@ import com.yfd.platform.utils.CodeToNameMetadataBo;
 import com.yfd.platform.utils.DataSourceRequestUtil;
 import com.yfd.platform.utils.DictCodeToNameConverter;
 import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.StcdUniqueValidator;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -31,6 +34,9 @@ public class SdAiboxBHServiceImpl extends ServiceImpl<SdAiboxBHMapper, SdAiboxBH
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
 
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
+
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -71,6 +77,11 @@ public class SdAiboxBHServiceImpl extends ServiceImpl<SdAiboxBHMapper, SdAiboxBH
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdAiboxBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdAimonitorBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdAimonitorBHServiceImpl.java
index 795611c6..2f89d347 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdAimonitorBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdAimonitorBHServiceImpl.java
@@ -1,17 +1,16 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdAimonitorBH;
 import com.yfd.platform.qgc_base.mapper.SdAimonitorBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdAimonitorBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -33,7 +32,8 @@ public class SdAimonitorBHServiceImpl extends ServiceImpl<SdAimonitorBHMapper, S
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     private static final List<CodeToNameMetadataBo> CODE_TO_NAME_META_LIST = new ArrayList<>();
 
     static {
@@ -57,6 +57,11 @@ public class SdAimonitorBHServiceImpl extends ServiceImpl<SdAimonitorBHMapper, S
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdAimonitorBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdArtsgBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdArtsgBHServiceImpl.java
index 0f768d37..b94d15f5 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdArtsgBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdArtsgBHServiceImpl.java
@@ -1,8 +1,10 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdArtsgBH;
 import com.yfd.platform.qgc_base.mapper.SdArtsgBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
@@ -10,6 +12,7 @@ import com.yfd.platform.qgc_base.service.ISdArtsgBHService;
 import com.yfd.platform.utils.CodeToNameMetadataBo;
 import com.yfd.platform.utils.DataSourceRequestUtil;
 import com.yfd.platform.utils.DictCodeToNameConverter;
+import com.yfd.platform.utils.StcdUniqueValidator;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -24,7 +27,8 @@ public class SdArtsgBHServiceImpl extends ServiceImpl<SdArtsgBHMapper, SdArtsgBH
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -64,6 +68,11 @@ public class SdArtsgBHServiceImpl extends ServiceImpl<SdArtsgBHMapper, SdArtsgBH
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdArtsgBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdDwBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdDwBHServiceImpl.java
index c0b3f1d8..7045f2f8 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdDwBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdDwBHServiceImpl.java
@@ -1,17 +1,16 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdDwBH;
 import com.yfd.platform.qgc_base.mapper.SdDwBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdDwBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -30,7 +29,8 @@ public class SdDwBHServiceImpl extends ServiceImpl<SdDwBHMapper, SdDwBH> impleme
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -66,6 +66,11 @@ public class SdDwBHServiceImpl extends ServiceImpl<SdDwBHMapper, SdDwBH> impleme
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdDwBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEngInfoBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEngInfoBHServiceImpl.java
index 0ae3d892..597827e0 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEngInfoBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEngInfoBHServiceImpl.java
@@ -23,6 +23,7 @@ import com.yfd.platform.common.DataSourceResult;
 import com.yfd.platform.common.GroupHelper;
 import com.yfd.platform.common.GroupingInfo;
 import com.yfd.platform.common.MicroservicDynamicSQLMapper;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.vo.*;
 import com.yfd.platform.qgc_data.domain.SysUserDataScope;
 import com.yfd.platform.qgc_data.mapper.SysUserDataScopeMapper;
@@ -134,6 +135,9 @@ public class SdEngInfoBHServiceImpl extends ServiceImpl<SdEngInfoBHMapper, SdEng
     @Resource
     private ObjectMapper objectMapper;
 
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
+
     @Resource
     private IAdminAuthService adminAuthService;
 
@@ -292,6 +296,11 @@ public class SdEngInfoBHServiceImpl extends ServiceImpl<SdEngInfoBHMapper, SdEng
     @CacheEvict(cacheNames = "engInfoCache", allEntries = true)
     @Transactional(rollbackFor = Exception.class)
     public boolean addEngInfo(SdEngInfoBH engInfo, String source) {
+        if (engInfo == null || StrUtil.isBlank(engInfo.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(engInfo.getStcd());
 //        fillRelatedNameFields(engInfo);
         boolean result = this.save(engInfo);
         if (result) {
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEqBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEqBHServiceImpl.java
index a9c7b4f1..86f09915 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEqBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdEqBHServiceImpl.java
@@ -1,17 +1,16 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdEqBH;
 import com.yfd.platform.qgc_base.mapper.SdEqBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdEqBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -30,7 +29,8 @@ public class SdEqBHServiceImpl extends ServiceImpl<SdEqBHMapper, SdEqBH> impleme
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -66,6 +66,11 @@ public class SdEqBHServiceImpl extends ServiceImpl<SdEqBHMapper, SdEqBH> impleme
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdEqBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFbrdBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFbrdBHServiceImpl.java
index 976942db..0e78c200 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFbrdBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFbrdBHServiceImpl.java
@@ -1,8 +1,10 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdFbrdBH;
 import com.yfd.platform.qgc_base.mapper.SdFbrdBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
@@ -10,6 +12,7 @@ import com.yfd.platform.qgc_base.service.ISdFbrdBHService;
 import com.yfd.platform.utils.CodeToNameMetadataBo;
 import com.yfd.platform.utils.DataSourceRequestUtil;
 import com.yfd.platform.utils.DictCodeToNameConverter;
+import com.yfd.platform.utils.StcdUniqueValidator;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -27,7 +30,8 @@ public class SdFbrdBHServiceImpl extends ServiceImpl<SdFbrdBHMapper, SdFbrdBH> i
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -63,6 +67,11 @@ public class SdFbrdBHServiceImpl extends ServiceImpl<SdFbrdBHMapper, SdFbrdBH> i
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdFbrdBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFhbtBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFhbtBHServiceImpl.java
index b4949034..c6d4f7c9 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFhbtBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFhbtBHServiceImpl.java
@@ -1,17 +1,16 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdFhbtBH;
 import com.yfd.platform.qgc_base.mapper.SdFhbtBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdFhbtBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -30,7 +29,8 @@ public class SdFhbtBHServiceImpl extends ServiceImpl<SdFhbtBHMapper, SdFhbtBH> i
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -67,6 +67,11 @@ public class SdFhbtBHServiceImpl extends ServiceImpl<SdFhbtBHMapper, SdFhbtBH> i
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdFhbtBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFpssBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFpssBHServiceImpl.java
index 3a09c579..a0ac0133 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFpssBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdFpssBHServiceImpl.java
@@ -1,10 +1,12 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdEngInfoBH;
 import com.yfd.platform.qgc_base.domain.SdFpssBH;
 import com.yfd.platform.qgc_base.mapper.SdEngInfoBHMapper;
@@ -14,10 +16,7 @@ import com.yfd.platform.qgc_base.service.ISdFpssBHService;
 import com.yfd.platform.qgc_data.domain.SysUserDataScope;
 import com.yfd.platform.qgc_data.mapper.SysUserDataScopeMapper;
 import com.yfd.platform.system.service.IAdminAuthService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
@@ -42,7 +41,8 @@ public class SdFpssBHServiceImpl extends ServiceImpl<SdFpssBHMapper, SdFpssBH> i
 
     @Resource
     private IMsOperationLogService msOperationLogService;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -213,6 +213,11 @@ public class SdFpssBHServiceImpl extends ServiceImpl<SdFpssBHMapper, SdFpssBH> i
 
     @Override
     public boolean add(SdFpssBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOpinfoBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOpinfoBHServiceImpl.java
index d7d35a7e..8fc5ade3 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOpinfoBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOpinfoBHServiceImpl.java
@@ -1,17 +1,16 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdOpinfoBH;
 import com.yfd.platform.qgc_base.mapper.SdOpinfoBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdOpinfoBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -30,7 +29,8 @@ public class SdOpinfoBHServiceImpl extends ServiceImpl<SdOpinfoBHMapper, SdOpinf
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -67,6 +67,11 @@ public class SdOpinfoBHServiceImpl extends ServiceImpl<SdOpinfoBHMapper, SdOpinf
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdOpinfoBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOtteBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOtteBHServiceImpl.java
index bd24fbca..3307907b 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOtteBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOtteBHServiceImpl.java
@@ -1,8 +1,10 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdOtteBH;
 import com.yfd.platform.qgc_base.mapper.SdOtteBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
@@ -10,6 +12,7 @@ import com.yfd.platform.qgc_base.service.ISdOtteBHService;
 import com.yfd.platform.utils.CodeToNameMetadataBo;
 import com.yfd.platform.utils.DataSourceRequestUtil;
 import com.yfd.platform.utils.DictCodeToNameConverter;
+import com.yfd.platform.utils.StcdUniqueValidator;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -27,7 +30,8 @@ public class SdOtteBHServiceImpl extends ServiceImpl<SdOtteBHMapper, SdOtteBH> i
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -66,6 +70,11 @@ public class SdOtteBHServiceImpl extends ServiceImpl<SdOtteBHMapper, SdOtteBH> i
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdOtteBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOtweBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOtweBHServiceImpl.java
index 266c4bb4..f7cadf09 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOtweBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdOtweBHServiceImpl.java
@@ -1,8 +1,10 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdOtweBH;
 import com.yfd.platform.qgc_base.mapper.SdOtweBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
@@ -10,6 +12,7 @@ import com.yfd.platform.qgc_base.service.ISdOtweBHService;
 import com.yfd.platform.utils.CodeToNameMetadataBo;
 import com.yfd.platform.utils.DataSourceRequestUtil;
 import com.yfd.platform.utils.DictCodeToNameConverter;
+import com.yfd.platform.utils.StcdUniqueValidator;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -26,7 +29,8 @@ public class SdOtweBHServiceImpl extends ServiceImpl<SdOtweBHMapper, SdOtweBH> i
     private IMsOperationLogService msOperationLogService;
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -64,6 +68,11 @@ public class SdOtweBHServiceImpl extends ServiceImpl<SdOtweBHMapper, SdOtweBH> i
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdOtweBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdSonarBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdSonarBHServiceImpl.java
index 24438e9a..b1a5c16c 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdSonarBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdSonarBHServiceImpl.java
@@ -1,17 +1,16 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdSonarBH;
 import com.yfd.platform.qgc_base.mapper.SdSonarBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdSonarBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -29,7 +28,8 @@ public class SdSonarBHServiceImpl extends ServiceImpl<SdSonarBHMapper, SdSonarBH
     private IMsOperationLogService msOperationLogService;
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -69,6 +69,11 @@ public class SdSonarBHServiceImpl extends ServiceImpl<SdSonarBHMapper, SdSonarBH
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdSonarBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdTeBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdTeBHServiceImpl.java
index 657f80e2..be1f9bf8 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdTeBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdTeBHServiceImpl.java
@@ -1,8 +1,10 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdTeBH;
 import com.yfd.platform.qgc_base.mapper.SdTeBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
@@ -10,6 +12,7 @@ import com.yfd.platform.qgc_base.service.ISdTeBHService;
 import com.yfd.platform.utils.CodeToNameMetadataBo;
 import com.yfd.platform.utils.DataSourceRequestUtil;
 import com.yfd.platform.utils.DictCodeToNameConverter;
+import com.yfd.platform.utils.StcdUniqueValidator;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -26,7 +29,8 @@ public class SdTeBHServiceImpl extends ServiceImpl<SdTeBHMapper, SdTeBH> impleme
     private IMsOperationLogService msOperationLogService;
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -64,6 +68,11 @@ public class SdTeBHServiceImpl extends ServiceImpl<SdTeBHMapper, SdTeBH> impleme
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdTeBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVaBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVaBHServiceImpl.java
index 3e81ad52..74c4c63a 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVaBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVaBHServiceImpl.java
@@ -1,17 +1,16 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdVaBH;
 import com.yfd.platform.qgc_base.mapper.SdVaBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdVaBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -29,7 +28,8 @@ public class SdVaBHServiceImpl extends ServiceImpl<SdVaBHMapper, SdVaBH> impleme
     private IMsOperationLogService msOperationLogService;
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -65,6 +65,11 @@ public class SdVaBHServiceImpl extends ServiceImpl<SdVaBHMapper, SdVaBH> impleme
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdVaBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVdinfoBServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVdinfoBServiceImpl.java
index 02d1be85..0f43ff9b 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVdinfoBServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVdinfoBServiceImpl.java
@@ -4,6 +4,7 @@ import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdVdinfoB;
 import com.yfd.platform.qgc_base.mapper.SdVdinfoBMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
@@ -11,6 +12,7 @@ import com.yfd.platform.qgc_base.service.ISdVdinfoBService;
 import com.yfd.platform.utils.CodeToNameMetadataBo;
 import com.yfd.platform.utils.DataSourceRequestUtil;
 import com.yfd.platform.utils.DictCodeToNameConverter;
+import com.yfd.platform.utils.StcdUniqueValidator;
 import jakarta.annotation.Resource;
 import org.checkerframework.checker.units.qual.C;
 import org.springframework.stereotype.Service;
@@ -28,7 +30,8 @@ public class SdVdinfoBServiceImpl extends ServiceImpl<SdVdinfoBMapper, SdVdinfoB
     private IMsOperationLogService msOperationLogService;
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -67,6 +70,11 @@ public class SdVdinfoBServiceImpl extends ServiceImpl<SdVdinfoBMapper, SdVdinfoB
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdVdinfoB entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         String mntp = entity.getMntp();
         if (StrUtil.isBlank(mntp)) {
             entity.setMntp("实时视频");
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVpBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVpBHServiceImpl.java
index 98b1e64b..86551cc2 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVpBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdVpBHServiceImpl.java
@@ -1,17 +1,16 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdVpBH;
 import com.yfd.platform.qgc_base.mapper.SdVpBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdVpBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -29,7 +28,8 @@ public class SdVpBHServiceImpl extends ServiceImpl<SdVpBHMapper, SdVpBH> impleme
     private IMsOperationLogService msOperationLogService;
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -65,6 +65,11 @@ public class SdVpBHServiceImpl extends ServiceImpl<SdVpBHMapper, SdVpBH> impleme
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdVpBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWeBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWeBHServiceImpl.java
index 63c4040d..a95bcbe2 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWeBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWeBHServiceImpl.java
@@ -1,8 +1,10 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdWeBH;
 import com.yfd.platform.qgc_base.mapper.SdWeBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
@@ -10,6 +12,7 @@ import com.yfd.platform.qgc_base.service.ISdWeBHService;
 import com.yfd.platform.utils.CodeToNameMetadataBo;
 import com.yfd.platform.utils.DataSourceRequestUtil;
 import com.yfd.platform.utils.DictCodeToNameConverter;
+import com.yfd.platform.utils.StcdUniqueValidator;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -27,7 +30,8 @@ public class SdWeBHServiceImpl extends ServiceImpl<SdWeBHMapper, SdWeBH> impleme
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -66,6 +70,11 @@ public class SdWeBHServiceImpl extends ServiceImpl<SdWeBHMapper, SdWeBH> impleme
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdWeBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWqBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWqBHServiceImpl.java
index 1dbbf910..846dfc2a 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWqBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWqBHServiceImpl.java
@@ -1,17 +1,16 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdWqBH;
 import com.yfd.platform.qgc_base.mapper.SdWqBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdWqBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -30,7 +29,8 @@ public class SdWqBHServiceImpl extends ServiceImpl<SdWqBHMapper, SdWqBH> impleme
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -68,6 +68,11 @@ public class SdWqBHServiceImpl extends ServiceImpl<SdWqBHMapper, SdWqBH> impleme
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdWqBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWtBHServiceImpl.java b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWtBHServiceImpl.java
index c179bc38..65af743a 100644
--- a/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWtBHServiceImpl.java
+++ b/backend/src/main/java/com/yfd/platform/qgc_base/service/impl/SdWtBHServiceImpl.java
@@ -1,18 +1,17 @@
 package com.yfd.platform.qgc_base.service.impl;
 
+import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.yfd.platform.common.DataSourceRequest;
+import com.yfd.platform.common.exception.BizException;
 import com.yfd.platform.qgc_base.domain.SdWtBH;
 import com.yfd.platform.qgc_base.mapper.SdWtBHMapper;
 import com.yfd.platform.qgc_base.service.IMsOperationLogService;
 import com.yfd.platform.qgc_base.service.ISdWtBHService;
-import com.yfd.platform.utils.CodeToNameMetadataBo;
-import com.yfd.platform.utils.DataSourceRequestUtil;
-import com.yfd.platform.utils.DictCodeToNameConverter;
-import com.yfd.platform.utils.SecurityUtils;
+import com.yfd.platform.utils.*;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -32,7 +31,8 @@ public class SdWtBHServiceImpl extends ServiceImpl<SdWtBHMapper, SdWtBH> impleme
 
     @Resource
     private DictCodeToNameConverter dictCodeToNameConverter;
-
+    @Resource
+    private StcdUniqueValidator stcdUniqueValidator;
     /**
      * 代码转名称元数据配置列表（静态初始化）
      * <p>
@@ -70,6 +70,11 @@ public class SdWtBHServiceImpl extends ServiceImpl<SdWtBHMapper, SdWtBH> impleme
     @Override
     @Transactional(rollbackFor = Exception.class)
     public boolean add(SdWtBH entity, String source) {
+        if (entity == null || StrUtil.isBlank(entity.getStcd())) {
+            throw new BizException("站点编码不能为空");
+        }
+        // 检查 STCD 在 V_MS_STBPRP_T 视图中是否已存在
+        stcdUniqueValidator.throwIfExists(entity.getStcd());
         boolean result = this.save(entity);
         if (result) {
             dictCodeToNameConverter.convertCodeToName(entity, CODE_TO_NAME_META_LIST);
diff --git a/backend/src/main/java/com/yfd/platform/utils/StcdUniqueValidator.java b/backend/src/main/java/com/yfd/platform/utils/StcdUniqueValidator.java
new file mode 100644
index 00000000..203736f4
--- /dev/null
+++ b/backend/src/main/java/com/yfd/platform/utils/StcdUniqueValidator.java
@@ -0,0 +1,56 @@
+package com.yfd.platform.utils;
+
+import com.yfd.platform.common.MicroservicDynamicSQLMapper;
+import com.yfd.platform.common.exception.BizException;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Component;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * STCD 唯一性校验组件，通过 V_MS_STBPRP_T 视图跨所有站点类型校验
+ * <p>
+ * 使用方式：注入即可
+ * <pre>
+ * {@code @Resource private StcdUniqueValidator stcdUniqueValidator;}
+ * {@code stcdUniqueValidator.throwIfExists(stcd);}
+ * </pre>
+ */
+@Component
+public class StcdUniqueValidator {
+
+    @Resource
+    private MicroservicDynamicSQLMapper microservicDynamicSQLMapper;
+
+    /**
+     * 校验 STCD 是否已在 V_MS_STBPRP_T 视图中存在，存在则抛异常
+     *
+     * @param stcd 站点编码
+     * @throws BizException 站点编码已存在时抛出
+     */
+    public void throwIfExists(String stcd) {
+        if (exists(stcd)) {
+            throw new BizException("当前站点编码已存在");
+        }
+    }
+
+    /**
+     * 检查 STCD 是否已在 V_MS_STBPRP_T 视图中存在
+     *
+     * @param stcd 站点编码
+     * @return true=已存在
+     */
+    public boolean exists(String stcd) {
+        String sql = "SELECT COUNT(1) AS cnt FROM V_MS_STBPRP_T WHERE STCD = #{map.stcd}";
+        Map<String, Object> paramMap = new HashMap<>();
+        paramMap.put("stcd", stcd);
+        List<Map<String, Object>> result = microservicDynamicSQLMapper.getAllList(sql, paramMap);
+        if (result != null && !result.isEmpty()) {
+            Object cntObj = result.get(0).get("CNT");
+            return cntObj != null && Long.parseLong(cntObj.toString()) > 0;
+        }
+        return false;
+    }
+}