diff --git a/business-css/src/main/java/com/yfd/business/css/controller/ProjectController.java b/business-css/src/main/java/com/yfd/business/css/controller/ProjectController.java
index 15f31c7..ac8b622 100644
--- a/business-css/src/main/java/com/yfd/business/css/controller/ProjectController.java
+++ b/business-css/src/main/java/com/yfd/business/css/controller/ProjectController.java
@@ -131,7 +131,7 @@ public class ProjectController {
     @Operation(summary = "删除项目（单条）", description = "根据项目ID删除项目")
     public boolean delete(@PathVariable @Parameter(description = "项目ID", required = true) String id) {
         projectAccessHelper.assertCanWriteProject(id);
-        return projectService.removeById(id);
+        return projectService.deleteProjectCascade(id);
     }
 
     /**
@@ -150,7 +150,14 @@ public class ProjectController {
                 projectAccessHelper.assertCanWriteProject(id);
             }
         }
-        return projectService.removeByIds(ids);
+        boolean ok = true;
+        if (ids != null) {
+            for (String id : ids) {
+                if (id == null || id.isBlank()) continue;
+                ok = projectService.deleteProjectCascade(id) && ok;
+            }
+        }
+        return ok;
     }
 
     
diff --git a/business-css/src/main/java/com/yfd/business/css/service/ProjectService.java b/business-css/src/main/java/com/yfd/business/css/service/ProjectService.java
index 1294ed4..2bbe278 100644
--- a/business-css/src/main/java/com/yfd/business/css/service/ProjectService.java
+++ b/business-css/src/main/java/com/yfd/business/css/service/ProjectService.java
@@ -49,6 +49,8 @@ public interface ProjectService extends IService<Project> {
      */
     java.util.Map<String, Object> runSimulation(String projectId, String scenarioId, java.util.Map<String, Object> params);
 
+    boolean deleteProjectCascade(String projectId);
+
     // List<SimInfluenceNode> loadSimInfluenceNodes(String projectId);
 
 }
diff --git a/business-css/src/main/java/com/yfd/business/css/service/impl/ProjectServiceImpl.java b/business-css/src/main/java/com/yfd/business/css/service/impl/ProjectServiceImpl.java
index 81ef5c6..cce7422 100644
--- a/business-css/src/main/java/com/yfd/business/css/service/impl/ProjectServiceImpl.java
+++ b/business-css/src/main/java/com/yfd/business/css/service/impl/ProjectServiceImpl.java
@@ -1601,7 +1601,13 @@ public class ProjectServiceImpl
         }
     }
 
-    private void deleteProjectCascade(String projectId) {
+    @Override
+    public boolean deleteProjectCascade(String projectId) {
+        deleteProjectCascadeInternal(projectId);
+        return true;
+    }
+
+    private void deleteProjectCascadeInternal(String projectId) {
         List<Scenario> scenarios = scenarioService.list(new QueryWrapper<Scenario>().select("scenario_id").eq("project_id", projectId));
         List<String> scenarioIds = scenarios.stream().map(Scenario::getScenarioId).filter(Objects::nonNull).toList();
         if (!scenarioIds.isEmpty()) {