diff --git a/business-css/src/main/java/com/yfd/business/css/controller/DeviceController.java b/business-css/src/main/java/com/yfd/business/css/controller/DeviceController.java
index 64f0ecb..44ee2d6 100644
--- a/business-css/src/main/java/com/yfd/business/css/controller/DeviceController.java
+++ b/business-css/src/main/java/com/yfd/business/css/controller/DeviceController.java
@@ -34,7 +34,13 @@ public class DeviceController {
     @PostMapping
     public boolean create(@RequestBody Device device) {
         device.setModifier(currentUsername());
-        return deviceService.save(device);
+        return deviceService.createDevice(device);
+    }
+
+    @PostMapping("/saveOrUpdate")
+    public boolean saveOrUpdate(@RequestBody Device device) {
+        device.setModifier(currentUsername());
+        return deviceService.saveOrUpdateByBusiness(device);
     }
 
     /**
@@ -111,7 +117,7 @@ public class DeviceController {
     
 
     /**
-     * 6. 设备分页查询（类型 可选 + 名称 可选）
+     * 6. 设备模板库分页查询（类型 可选 + 名称 可选）
      * 输入参数：查询参数 type（可选），name（可选），pageNum（页码，默认1），pageSize（每页条数，默认10）
      * 输出参数：设备分页列表（按创建时间倒序）
      * @param type 设备类型（可选）
@@ -126,6 +132,9 @@ public class DeviceController {
                                @RequestParam(defaultValue = "1") long pageNum,
                                @RequestParam(defaultValue = "20") long pageSize) {
         QueryWrapper<Device> qw = new QueryWrapper<>();
+        // 模板库设备 project_id 为 -1
+        qw.eq("project_id", "-1");
+
         if (type != null && !type.isEmpty()) {
             qw.eq("type", type);
         }
diff --git a/business-css/src/main/java/com/yfd/business/css/controller/MaterialController.java b/business-css/src/main/java/com/yfd/business/css/controller/MaterialController.java
index 7cedfb7..6b70f45 100644
--- a/business-css/src/main/java/com/yfd/business/css/controller/MaterialController.java
+++ b/business-css/src/main/java/com/yfd/business/css/controller/MaterialController.java
@@ -2,6 +2,7 @@ package com.yfd.business.css.controller;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.yfd.business.css.domain.Device;
 import com.yfd.business.css.domain.Material;
 import com.yfd.business.css.service.MaterialService;
 import com.yfd.platform.system.service.IUserService;
@@ -34,7 +35,13 @@ public class MaterialController {
     @PostMapping
     public boolean create(@RequestBody Material material) {
         material.setModifier(currentUsername());
-        return materialService.save(material);
+        return materialService.saveMaterial(material);
+    }
+
+    @PostMapping("/saveOrUpdate")
+    public boolean saveOrUpdate(@RequestBody Material material) {
+        material.setModifier(currentUsername());
+        return materialService.saveOrUpdateByBusiness(material);
     }
 
     /**
@@ -102,10 +109,12 @@ public class MaterialController {
     public Page<Material> search(@RequestParam(required = false) String name,
                                  @RequestParam(defaultValue = "1") long pageNum,
                                  @RequestParam(defaultValue = "20") long pageSize) {
-        QueryWrapper<Material> qw = new QueryWrapper<Material>().orderByDesc("created_at");
+        QueryWrapper<Material> qw = new QueryWrapper<>();
+        qw.eq("project_id", "-1");
         if (name != null && !name.isEmpty()) {
             qw.like("name", name);
         }
+        qw.orderByDesc("created_at");
         Page<Material> page = new Page<>(pageNum, pageSize, true);
         return materialService.page(page, qw);
     }
diff --git a/business-css/src/main/java/com/yfd/business/css/service/DeviceService.java b/business-css/src/main/java/com/yfd/business/css/service/DeviceService.java
index 9e44e17..5b755e5 100644
--- a/business-css/src/main/java/com/yfd/business/css/service/DeviceService.java
+++ b/business-css/src/main/java/com/yfd/business/css/service/DeviceService.java
@@ -9,5 +9,7 @@ public interface DeviceService extends IService<Device> {
      */
     boolean importDevices(MultipartFile file, String deviceType);
 
-    public boolean createDevice(Device device) ;
+    boolean createDevice(Device device) ;
+
+    boolean saveOrUpdateByBusiness(Device device);
 }
diff --git a/business-css/src/main/java/com/yfd/business/css/service/MaterialService.java b/business-css/src/main/java/com/yfd/business/css/service/MaterialService.java
index 6307664..e9b717d 100644
--- a/business-css/src/main/java/com/yfd/business/css/service/MaterialService.java
+++ b/business-css/src/main/java/com/yfd/business/css/service/MaterialService.java
@@ -1,6 +1,7 @@
 package com.yfd.business.css.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.yfd.business.css.domain.Device;
 import com.yfd.business.css.domain.Material;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -9,4 +10,11 @@ public interface MaterialService extends IService<Material> {
      * 导入物料
      */
     boolean importMaterials(MultipartFile file);
+
+    /**
+     * 新增物料
+     */
+    boolean saveMaterial(Material material);
+
+    boolean saveOrUpdateByBusiness(Material material);
 }
diff --git a/business-css/src/main/java/com/yfd/business/css/service/impl/DeviceServiceImpl.java b/business-css/src/main/java/com/yfd/business/css/service/impl/DeviceServiceImpl.java
index c706ff6..921fe5e 100644
--- a/business-css/src/main/java/com/yfd/business/css/service/impl/DeviceServiceImpl.java
+++ b/business-css/src/main/java/com/yfd/business/css/service/impl/DeviceServiceImpl.java
@@ -67,6 +67,28 @@ public class DeviceServiceImpl
         // 2. 如果前端传了 deviceId，直接使用
         return this.save(device);
     }
+    
+    @Override
+    public boolean saveOrUpdateByBusiness(Device device) {
+
+        String deviceId = device.getDeviceId();
+
+        // 情况 1：未传 deviceId → 直接新增
+        if (StrUtil.isBlank(deviceId)) {
+            return this.save(device);
+        }
+
+        // 情况 2：传了 deviceId，判断是否存在
+        Device dbDevice = this.getById(deviceId);
+
+        if (dbDevice == null) {
+            // 数据库不存在 → 新增（使用传入的 deviceId）
+            return this.save(device);
+        } else {
+            // 数据库存在 → 更新
+            return this.updateById(device);
+        }
+    }
 
     private boolean importExcel(Workbook workbook, String deviceType) {
         try (Workbook wb = workbook) {
diff --git a/business-css/src/main/java/com/yfd/business/css/service/impl/MaterialServiceImpl.java b/business-css/src/main/java/com/yfd/business/css/service/impl/MaterialServiceImpl.java
index 74fa171..141dc0c 100644
--- a/business-css/src/main/java/com/yfd/business/css/service/impl/MaterialServiceImpl.java
+++ b/business-css/src/main/java/com/yfd/business/css/service/impl/MaterialServiceImpl.java
@@ -1,10 +1,15 @@
 package com.yfd.business.css.service.impl;
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.yfd.business.css.domain.Device;
 import com.yfd.business.css.domain.Material;
 import com.yfd.business.css.mapper.MaterialMapper;
 import com.yfd.business.css.service.MaterialService;
 import com.yfd.platform.system.service.IUserService;
+
+import cn.hutool.core.util.IdUtil;
+import cn.hutool.core.util.StrUtil;
+
 import org.springframework.stereotype.Service;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -53,6 +58,40 @@ public class MaterialServiceImpl
         }
     }
 
+    @Override
+    public boolean saveMaterial(Material material) {
+
+        // 1. 如果前端没有传 materialId，显式生成
+        if (StrUtil.isBlank(material.getMaterialId())) {
+            material.setMaterialId(IdUtil.fastUUID());
+        }
+
+        // 2. 如果前端传了 materialId，直接使用
+        return this.save(material);
+    }
+
+    @Override
+    public boolean saveOrUpdateByBusiness(Material material) {
+
+        String materialId = material.getMaterialId();
+
+        // 情况 1：未传 materialId → 直接新增
+        if (StrUtil.isBlank(materialId)) {
+            return this.save(material);
+        }
+
+        // 情况 2：传了 materialId，判断是否存在
+        Material dbMaterial = this.getById(materialId);
+
+        if (dbMaterial == null) {
+            // 数据库不存在 → 新增（使用传入的 materialId）
+            return this.save(material);
+        } else {
+            // 数据库存在 → 更新
+            return this.updateById(material);
+        }
+    }
+
     private boolean importExcel(Workbook workbook) {
         try (Workbook wb = workbook) {
             Sheet sheet = wb.getSheetAt(0);