diff --git a/core/core-backend/src/main/java/io/gisbi/application/baseinfo/service/IApplicationService.java b/core/core-backend/src/main/java/io/gisbi/application/baseinfo/service/IApplicationService.java
index 1fcb404..11b5ece 100644
--- a/core/core-backend/src/main/java/io/gisbi/application/baseinfo/service/IApplicationService.java
+++ b/core/core-backend/src/main/java/io/gisbi/application/baseinfo/service/IApplicationService.java
@@ -13,4 +13,5 @@ import com.baomidou.mybatisplus.extension.service.IService;
  */
 public interface IApplicationService extends IService<Application> {
     public boolean createApplication(Application application);
+    public boolean removeById(String id);
 }
diff --git a/core/core-backend/src/main/java/io/gisbi/application/baseinfo/service/impl/ApplicationServiceImpl.java b/core/core-backend/src/main/java/io/gisbi/application/baseinfo/service/impl/ApplicationServiceImpl.java
index 08134bf..ee2b8b0 100644
--- a/core/core-backend/src/main/java/io/gisbi/application/baseinfo/service/impl/ApplicationServiceImpl.java
+++ b/core/core-backend/src/main/java/io/gisbi/application/baseinfo/service/impl/ApplicationServiceImpl.java
@@ -7,6 +7,7 @@ import io.gisbi.application.baseinfo.mapper.ApplicationMapper;
 import io.gisbi.application.baseinfo.service.IApplicationService;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import io.gisbi.application.module.service.IModuleService;
+import io.gisbi.utils.AuthUtils;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -63,6 +64,7 @@ public class ApplicationServiceImpl extends ServiceImpl<ApplicationMapper, Appli
         application.setType("01");  // 数据分析类项目
         application.setStatus("01"); // 初始创建
         application.setCreatedate(now);
+        application.setLastmodifier(AuthUtils.getUser().getUserId().toString());
         application.setLastmodifydate(now);
         
         // 保存应用并初始化模块
@@ -74,4 +76,14 @@ public class ApplicationServiceImpl extends ServiceImpl<ApplicationMapper, Appli
             throw new RuntimeException("创建应用失败", e);
         }
     }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean removeById(String id) {
+        if (id == null || id.trim().isEmpty()) {
+            this.removeById(id);
+            moduleService.deleteAppModules(id);
+        }
+      return true;
+    }
 }
diff --git a/core/core-backend/src/main/java/io/gisbi/application/module/service/IModuleService.java b/core/core-backend/src/main/java/io/gisbi/application/module/service/IModuleService.java
index 0e666e8..537a5ee 100644
--- a/core/core-backend/src/main/java/io/gisbi/application/module/service/IModuleService.java
+++ b/core/core-backend/src/main/java/io/gisbi/application/module/service/IModuleService.java
@@ -26,4 +26,10 @@ public interface IModuleService extends IService<Module> {
      * @return 存在返回true
      */
     boolean initAppModules(String  appId);
+    /**
+     * 删除项目时，删除项目模块
+     * @param appId 项目ID
+     * @return 存在返回true
+     */
+    boolean deleteAppModules(String  appId);
 }
diff --git a/core/core-backend/src/main/java/io/gisbi/application/module/service/impl/ModuleServiceImpl.java b/core/core-backend/src/main/java/io/gisbi/application/module/service/impl/ModuleServiceImpl.java
index ab75d9c..3a42e54 100644
--- a/core/core-backend/src/main/java/io/gisbi/application/module/service/impl/ModuleServiceImpl.java
+++ b/core/core-backend/src/main/java/io/gisbi/application/module/service/impl/ModuleServiceImpl.java
@@ -46,6 +46,8 @@ public class ModuleServiceImpl extends ServiceImpl<ModuleMapper, Module> impleme
         return isok;
     }
 
+
+
     private Module createInitModule(String appId,String name,String type,Integer sort){
         Module initModule=new Module(
                 appId,
@@ -61,4 +63,12 @@ public class ModuleServiceImpl extends ServiceImpl<ModuleMapper, Module> impleme
         );
         return initModule;
     }
+
+    @Override
+    public boolean deleteAppModules(String appId) {
+        if(this.remove(new LambdaQueryWrapper<Module>().eq(Module::getAppId,appId))){
+            return true;
+        }
+        return false;
+    }
 }
\ No newline at end of file