diff --git a/logs/backup.log b/logs/backup.log
index d74ac96..3ef4ca6 100644
--- a/logs/backup.log
+++ b/logs/backup.log
@@ -1310,3 +1310,4 @@ To https://git.valavala.com/ai_member_only/ai_member_xiaobian.git
 [feishu/outbound/actions] feishu: handleAction failed: action=send, error=Request failed with status code 400 {}
 AxiosError: Request failed with status code 400
 ✅ 备份完成：Fri Apr 10 08:10:07 AM CST 2026
+{"code":230001,"msg":"Your request contains an invalid request parameter, ext=invalid message content, ext=content is not a string in json format.","error":{"log_id":"202604101050544752599BE097A83ABE70","troubleshooter":"排查建议查看(Troubleshooting suggestions): https://open.feishu.cn/search?from=openapi&log_id=202604101050544752599BE097A83ABE70&code=230001&method_id=6936075528891154460"}}
\ No newline at end of file
diff --git a/scripts/workspace_backup.sh b/scripts/workspace_backup.sh
index f862b12..0422e47 100755
--- a/scripts/workspace_backup.sh
+++ b/scripts/workspace_backup.sh
@@ -25,14 +25,29 @@ if [ $? -eq 0 ] || [ $? -eq 1 ]; then
     -d "{\"app_id\":\"$APP_ID\",\"app_secret\":\"$APP_SECRET\"}" \
     | jq -r '.tenant_access_token')
   
+  # 构造content JSON，避免转义问题
+  CONTENT=$(printf '{"text":"✅ 小编Workspace每日自动备份完成（%s）\\n提交哈希：%s\\n所有Workspace变更已同步到远程Git仓库"}' "$(date +'%Y-%m-%d %H:%M')" "$COMMIT_HASH")
+  
+  # 使用jq生成正确的JSON格式，避免转义错误
+  MESSAGE_TEXT="✅ 小编Workspace每日自动备份完成（$(date +'%Y-%m-%d %H:%M')）
+提交哈希：$COMMIT_HASH
+所有Workspace变更已同步到远程Git仓库"
+  
+  # 构造请求体
+  REQUEST_BODY=$(jq -n \
+    --arg rid "4aagb443" \
+    --arg text "$MESSAGE_TEXT" \
+    '{
+      receive_id: $rid,
+      msg_type: "text",
+      content: "{\"text\":\($text | @json)}"
+    }')
+  
+  # 发送请求
   curl -s -X POST "https://open.feishu.cn/open-apis/im/v1/messages?receive_id_type=user_id" \
     -H "Authorization: Bearer $TOKEN" \
     -H "Content-Type: application/json" \
-    -d "{
-      \"receive_id\": \"4aagb443\",
-      \"msg_type\": \"text\",
-      \"content\": \"{\\\"text\\\":\\\"✅ 小编Workspace每日自动备份完成（$(date +'%Y-%m-%d %H:%M')）\\n提交哈希：$COMMIT_HASH\\n所有Workspace变更已同步到远程Git仓库\\\"}\"
-    }" >> "$WORKSPACE_DIR/logs/backup.log" 2>&1
+    -d "$REQUEST_BODY" >> "$WORKSPACE_DIR/logs/backup.log" 2>&1
 fi
 
 echo "✅ 备份完成：$(date)"