diff --git a/api.go b/api.go
index 23b9116..0d84f25 100644
--- a/api.go
+++ b/api.go
@@ -217,9 +217,9 @@ type Config struct {
 func Init(cfg Config) error {
 	if cfg.OutputErrCodeName == apicfg.OutputErrCodeName {
 		apicfg.OutputErrCodeName = cfg.OutputErrCodeName
-	} else if cfg.OutputErrCodeName != apicfg.OutputErrCodeName && cfg.OutputErrCodeName == "errCode" {
+	} else if cfg.OutputErrCodeName != apicfg.OutputErrCodeName && apicfg.OutputErrCodeName == "errCode" {
 		apicfg.OutputErrCodeName = cfg.OutputErrCodeName
-	} else if cfg.OutputErrCodeName != apicfg.OutputErrCodeName && cfg.OutputErrCodeName != "errCode" {
+	} else if cfg.OutputErrCodeName != apicfg.OutputErrCodeName && apicfg.OutputErrCodeName != "errCode" {
 		log.Warningf("!!!!!!!!!!!!! api OutputErrCodeName "+
 			"have been setted to: %s, overwrite it by %s", apicfg.OutputErrCodeName, cfg.OutputErrCodeName)
 	}
@@ -229,9 +229,9 @@ func Init(cfg Config) error {
 
 	if cfg.OutputErrMessageName == apicfg.OutputErrMessageName {
 		apicfg.OutputErrMessageName = cfg.OutputErrMessageName
-	} else if cfg.OutputErrMessageName != apicfg.OutputErrMessageName && cfg.OutputErrMessageName == "errMessage" {
+	} else if cfg.OutputErrMessageName != apicfg.OutputErrMessageName && apicfg.OutputErrMessageName == "errMessage" {
 		apicfg.OutputErrMessageName = cfg.OutputErrMessageName
-	} else if cfg.OutputErrMessageName != apicfg.OutputErrMessageName && cfg.OutputErrMessageName != "errMessage" {
+	} else if cfg.OutputErrMessageName != apicfg.OutputErrMessageName && apicfg.OutputErrMessageName != "errMessage" {
 		log.Warningf("!!!!!!!!!!!!! api OutputErrMessageName "+
 			"have been setted to: %s, overwrite it by %s", apicfg.OutputErrMessageName, cfg.OutputErrMessageName)
 	}