diff --git a/bff/internal/config/config.go b/bff/internal/config/config.go
index b04265f..df019d3 100644
--- a/bff/internal/config/config.go
+++ b/bff/internal/config/config.go
@@ -16,8 +16,3 @@ type NacosConf struct {
 	RegisterIP  string `json:",optional"`
 	ConfigID    string `json:",optional"`
 }
-
-type ResponseConf struct {
-	IsDebug    bool   `json:",default=true"`
-	EncryptKey string `json:",optional"`
-}
diff --git a/bff/internal/response/response.go b/bff/internal/response/response.go
index c655d93..d978326 100644
--- a/bff/internal/response/response.go
+++ b/bff/internal/response/response.go
@@ -34,12 +34,15 @@ func (b *BaseController) OutPut(w http.ResponseWriter, code int32, data any, msg
 	if code == utils.Ok.Code && !utils.GetConfigBool("encrypt.debug") {
 		jsonData, err := json.Marshal(data)
 		if err != nil {
+			fmt.Printf("response encrypt: json.Marshal failed: %v\n", err)
 			msg = utils.ErrorEncryptAesError.Msg
 			code = utils.ErrorEncryptAesError.Code
 		} else {
+			key := utils.GetConfigString("encrypt.encrypt_key")
 			res, enErr := utils.Crypto{}.Encrypt(jsonData)
-			fmt.Printf("res: %v\n", res)
 			if enErr != nil {
+				fmt.Printf("response encrypt failed: keyLen=%d keyEmpty=%v errCode=%d errMsg=%s\n",
+					len(key), key == "", enErr.GetCode(), enErr.GetMsg())
 				msg = utils.ErrorEncryptAesError.Msg
 				code = utils.ErrorEncryptAesError.Code
 			} else {