diff --git a/middleware/jwt/jwt.go b/middleware/jwt/jwt.go
index ebb444d..d7f1029 100644
--- a/middleware/jwt/jwt.go
+++ b/middleware/jwt/jwt.go
@@ -70,7 +70,7 @@ func JWT(opts ...JwtOption) middleware.Middleware {
 					if err != nil {
 						return err
 					}
-					if needAuth && userInfo.UserId == 0 {
+					if needAuth && userInfo.UserId == "" {
 						return errors.Unauthorized("TOKEN_BAD", "")
 					}
 					if authKey != "" {
@@ -78,7 +78,7 @@ func JWT(opts ...JwtOption) middleware.Middleware {
 							return err
 						}
 					}
-					if userInfo.UserId > 0 {
+					if userInfo.UserId != "" {
 						ctx = SetUserContext(ctx, userInfo)
 					}
 					return nil