diff --git a/frontend/src/global/form-rules.ts b/frontend/src/global/form-rules.ts
index b7e4a1d511da..5e84a2d8fc3a 100644
--- a/frontend/src/global/form-rules.ts
+++ b/frontend/src/global/form-rules.ts
@@ -338,7 +338,7 @@ const checkAlias: RuleValidator = (_rule, value, callback) => {
         callback(new Error(i18n.global.t('commons.rule.alias')));
         return;
     }
-    const reg = /^(?![-_])[A-Za-z0-9._-]{1,128}(?<![-_])$/;
+    const reg = /^(?![-_])[A-Za-z0-9._-]{0,126}[A-Za-z0-9.]$/;
     if (!reg.test(value)) {
         callback(new Error(i18n.global.t('commons.rule.alias')));
     } else {