diff --git a/src/aliyunoss.cpp b/src/aliyunoss.cpp
index d587b30..d473d11 100644
--- a/src/aliyunoss.cpp
+++ b/src/aliyunoss.cpp
@@ -83,10 +83,10 @@ std::string module::aliyun_oss::updata(
             return_msg += ",code:"+ std::to_string(s->code);
         }
         if(s->error_code != NULL){
-            return_msg += ",error_code:"+ std::to_string(s->error_code);
+            return_msg += ",error_code:"+ s->error_code;
         }
         if(s->error_msg != NULL){
-            return_msg += ",error_msg:"+ std::to_string(s->error_code);
+            return_msg += ",error_msg:"+ std::to_string(s->error_msg);
         }
     }
 
@@ -141,10 +141,10 @@ std::string module::aliyun_oss::upfile(const std::string& endpoint, const std::s
             return_msg += ",code:"+ std::to_string(s->code);
         }
         if(s->error_code != NULL){
-            return_msg += ",error_code:"+ std::to_string(s->error_code);
+            return_msg += ",error_code:"+ s->error_code;
         }
         if(s->error_msg != NULL){
-            return_msg += ",error_msg:"+ std::to_string(s->error_code);
+            return_msg += ",error_msg:"+ std::to_string(s->error_msg);
         }
     }
 
@@ -192,10 +192,10 @@ std::string module::aliyun_oss::del(const std::string& endpoint, const std::stri
             return_msg += ",code:"+ std::to_string(s->code);
         }
         if(s->error_code != NULL){
-            return_msg += ",error_code:"+ std::to_string(s->error_code);
+            return_msg += ",error_code:"+ s->error_code;
         }
         if(s->error_msg != NULL){
-            return_msg += ",error_msg:"+ std::to_string(s->error_code);
+            return_msg += ",error_msg:"+ std::to_string(s->error_msg);
         }
     }