message: add the try catch for query result
diff: /*
  * @Author: your name
  * @Date: 2021-09-23 16:55:53
  - * @LastEditTime: 2021-10-14 20:03:51
  + * @LastEditTime: 2021-10-26 11:34:44
  * @LastEditors: Please set LastEditors
  * @Description: In User Settings Edit
  * @FilePath: /gstore/Main/ghttp.cpp
  @@ -791,7 +791,7 @@ int main(int argc, char *argv[])
  string cmd = "rm system.db/port.txt";
  system(cmd.c_str());
  }
  - cerr << "Server stopped abnormally, restarting server..." << endl;
  + cerr << "["<<Util::getTimeString()<<"] stopped abnormally, restarting server..." << endl;
  //break;
  }
  }
  @@ -2655,7 +2655,21 @@ string update_flag,string remote_ip,string thread_id,string log_prefix)
  success = rs.to_JSON();
  Document resDoc;
  Document::AllocatorType &allocator = resDoc.GetAllocator();
  + try
  + {
  + /* code */
  resDoc.Parse(success.c_str());
  + }
  + catch(const std::exception& e)
  + {
  + std::cerr << e.what() << '\n';
  + }
  + catch(...)
  + {
  + cout<<"result parse error:"<<success<<endl;
  + }
  +
  +
  resDoc.AddMember("StatusCode", 0, allocator);
  resDoc.AddMember("StatusMsg", "success", allocator);
  resDoc.AddMember("AnsNum", rs.ansNum, allocator);
  @@ -3709,6 +3723,7 @@ const shared_ptr<HttpServer::Request>& request, string RequestType,string postco
  Document document;
  string url;
  string remote_ip=getRemoteIp(request);
  + cout<<"request time :"<<Util::getTimeString()<<endl;
  cout<<"request remote ip:"<<remote_ip<<endl;
  cout << "request method:" << request->method << endl;
  cout << "request http_version:" << request->http_version << endl;
  