update:调整QQBot的返回值

src/main/java/com/yutou/qqbot/Controllers/AppController.java

@@ -6,6 +6,7 @@ import com.yutou.qqbot.utlis.AppTools;
 import com.yutou.qqbot.utlis.HttpTools;
 import com.yutou.qqbot.utlis.RedisTools;
 import com.yutou.qqbot.utlis.StringUtils;
+import net.mamoe.mirai.message.MessageReceipt;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -63,7 +64,7 @@ public class AppController {
     @RequestMapping("/qq/send.do")
     public String sendQQ(@RequestBody JSONObject json) {
         File image = null;
-        String ret;
+        MessageReceipt<?> ret;
         if(json.getString("message").isEmpty()){
             return "not message";
         }
@@ -76,7 +77,7 @@ public class AppController {
         } else {
             ret = QQBotManager.getInstance().sendMessage(json.getLong("qq"), json.getString("message"));
         }
-        return ret;
+        return ret==null?"message send fail":"message send success";
     }
 
     @ResponseBody