diff --git a/backend/app/api/prompt_workshop.py b/backend/app/api/prompt_workshop.py
index 403ee90..c450e28 100644
--- a/backend/app/api/prompt_workshop.py
+++ b/backend/app/api/prompt_workshop.py
@@ -533,9 +533,14 @@ async def get_my_submissions(
 async def withdraw_submission(
     submission_id: str,
     request: Request,
+    force: bool = False,
     db: AsyncSession = Depends(get_db)
 ):
-    """撤回待审核的提交"""
+    """
+    删除提交记录
+    - 待审核(pending)的提交可以直接撤回
+    - 已审核(approved/rejected)的提交需要 force=True 参数才能删除
+    """
     user_identifier = get_user_identifier_from_request(request)
     
     if is_workshop_server():
@@ -549,16 +554,21 @@ async def withdraw_submission(
         
         if not submission:
             raise HTTPException(status_code=404, detail="提交记录不存在")
-        if submission.status != "pending":
-            raise HTTPException(status_code=400, detail="只能撤回待审核的提交")
+        
+        # 待审核的可以直接撤回，已审核的需要 force 参数
+        if submission.status != "pending" and not force:
+            raise HTTPException(status_code=400, detail="只能撤回待审核的提交，删除已审核记录请使用 force 参数")
         
         await db.delete(submission)
         await db.commit()
         
-        return {"success": True, "message": "撤回成功"}
+        if submission.status == "pending":
+            return {"success": True, "message": "撤回成功"}
+        else:
+            return {"success": True, "message": "删除成功"}
     else:
         try:
-            return await workshop_client.withdraw_submission(submission_id, user_identifier)
+            return await workshop_client.withdraw_submission(submission_id, user_identifier, force)
         except WorkshopClientError as e:
             raise HTTPException(status_code=503, detail=str(e))
 
diff --git a/backend/app/services/workshop_client.py b/backend/app/services/workshop_client.py
index b76d0be..71a4251 100644
--- a/backend/app/services/workshop_client.py
+++ b/backend/app/services/workshop_client.py
@@ -157,12 +157,17 @@ class WorkshopClient:
     async def withdraw_submission(
         self,
         submission_id: str,
-        user_identifier: str
+        user_identifier: str,
+        force: bool = False
     ) -> Dict:
-        """撤回提交"""
+        """撤回/删除提交"""
+        params = {}
+        if force:
+            params["force"] = "true"
         return await self._request(
             "DELETE",
             f"/submissions/{submission_id}",
+            params=params if params else None,
             user_identifier=user_identifier
         )
 
diff --git a/frontend/src/pages/PromptWorkshop.tsx b/frontend/src/pages/PromptWorkshop.tsx
index b8ffb02..843763f 100644
--- a/frontend/src/pages/PromptWorkshop.tsx
+++ b/frontend/src/pages/PromptWorkshop.tsx
@@ -241,7 +241,7 @@ export default function PromptWorkshop() {
     }
   };
 
-  // 撤回提交
+  // 撤回提交（pending状态）
   const handleWithdraw = async (submissionId: string) => {
     try {
       await promptWorkshopApi.withdrawSubmission(submissionId);
@@ -253,6 +253,27 @@ export default function PromptWorkshop() {
     }
   };
 
+  // 删除提交记录（已审核状态）
+  const handleDeleteSubmission = async (submission: PromptSubmission) => {
+    Modal.confirm({
+      title: '删除提交记录',
+      content: `确定要删除「${submission.name}」的提交记录吗？此操作不可恢复。`,
+      okText: '删除',
+      okType: 'danger',
+      cancelText: '取消',
+      onOk: async () => {
+        try {
+          await promptWorkshopApi.deleteSubmission(submission.id);
+          message.success('删除成功');
+          loadMySubmissions();
+        } catch (error) {
+          console.error('Failed to delete submission:', error);
+          message.error('删除失败');
+        }
+      },
+    });
+  };
+
   // 查看详情
   const handleViewDetail = async (item: PromptWorkshopItem) => {
     try {
@@ -569,17 +590,30 @@ export default function PromptWorkshop() {
                       提交时间: {sub.created_at ? new Date(sub.created_at).toLocaleDateString() : '-'}
                     </div>
                     
-                    {sub.status === 'pending' && (
-                      <Button
-                        type="link"
-                        danger
-                        size="small"
-                        icon={<DeleteOutlined />}
-                        onClick={() => handleWithdraw(sub.id)}
-                      >
-                        撤回
-                      </Button>
-                    )}
+                    <Space>
+                      {sub.status === 'pending' && (
+                        <Button
+                          type="link"
+                          danger
+                          size="small"
+                          icon={<DeleteOutlined />}
+                          onClick={() => handleWithdraw(sub.id)}
+                        >
+                          撤回
+                        </Button>
+                      )}
+                      {sub.status !== 'pending' && (
+                        <Button
+                          type="link"
+                          danger
+                          size="small"
+                          icon={<DeleteOutlined />}
+                          onClick={() => handleDeleteSubmission(sub)}
+                        >
+                          删除记录
+                        </Button>
+                      )}
+                    </Space>
                   </Space>
                 </Card>
               </Col>
diff --git a/frontend/src/services/api.ts b/frontend/src/services/api.ts
index 9245a85..b8e528c 100644
--- a/frontend/src/services/api.ts
+++ b/frontend/src/services/api.ts
@@ -695,10 +695,16 @@ export const promptWorkshopApi = {
       { params: { status } }
     ),
 
-  // 撤回提交
+  // 撤回提交（pending状态）
   withdrawSubmission: (submissionId: string) =>
     api.delete<unknown, { success: boolean; message: string }>(`/prompt-workshop/submissions/${submissionId}`),
 
+  // 删除提交记录（所有状态，需要 force=true）
+  deleteSubmission: (submissionId: string) =>
+    api.delete<unknown, { success: boolean; message: string }>(`/prompt-workshop/submissions/${submissionId}`, {
+      params: { force: true }
+    }),
+
   // ========== 管理员 API（仅服务端模式可用） ==========
   
   // 获取待审核列表