diff --git a/business/auth2/authprovider/defauther.go b/business/auth2/authprovider/defauther.go
index 0d21db160..599a4393e 100644
--- a/business/auth2/authprovider/defauther.go
+++ b/business/auth2/authprovider/defauther.go
@@ -103,18 +103,18 @@ func (a *DefAuther) UnionFindAuthBind(curAuthType string, unionAuthTypeList []st
 // cache相关
 
 func (a *DefAuther) SaveVerifyCode(keyID, verifyCode string) {
-	api.Cacher.Set(a.buildCacheKey(keyID), verifyCode, DefVerifyCodeDuration)
+	api.Cacher.Set(a.buildCacheKey4Verify(keyID), verifyCode, DefVerifyCodeDuration)
 }
 
 func (a *DefAuther) LoadVerifyCode(keyID string) (verifyCode string) {
-	if value := api.Cacher.Get(a.buildCacheKey(keyID)); value != nil {
+	if value := api.Cacher.Get(a.buildCacheKey4Verify(keyID)); value != nil {
 		return value.(string)
 	}
 	return ""
 }
 
 func (a *DefAuther) DeleteVerifyCode(keyID string) {
-	api.Cacher.Del(a.buildCacheKey(keyID))
+	api.Cacher.Del(a.buildCacheKey4Verify(keyID))
 }
 
 // cache相关
@@ -136,7 +136,7 @@ func (a *DefAuther) VerifyCode(keyID, verifyCode string) (isSame bool) {
 	return isSame
 }
 
-func (a *DefAuther) buildCacheKey(keyID string) string {
+func (a *DefAuther) buildCacheKey4Verify(keyID string) string {
 	return strings.Join([]string{
 		VerifyCodeHeader,
 		VerifyCodeVer,