修改保存文件名

src/common/utils.cpp

@@ -10,6 +10,6 @@ std::string getTimeString()
     std::tm tm = *std::localtime(&t);
 
     std::ostringstream oss;
-    oss << std::put_time(&tm, "%Y_%m_%d_%H_%M_%S");
+    oss << std::put_time(&tm, "%Y_%m_%d_%H_%M_%S_%z");
     return oss.str();
 }