diff --git a/frontend/src/utils/validate.js b/frontend/src/utils/validate.js
index 3d930d72..0c5c9962 100644
--- a/frontend/src/utils/validate.js
+++ b/frontend/src/utils/validate.js
@@ -2,9 +2,12 @@
  * Created by jiachenpan on 16/11/18.
  */
 
-export function isvalidUsername (str) {
-  const validMap = ['admin', 'editor']
-  return validMap.indexOf(str.trim()) >= 0
+export function isValidUsername (str) {
+  if (!str) return false
+  if (str.length > 100) return false
+  return true
+  // const validMap = ['admin', 'editor']
+  // return validMap.indexOf(str.trim()) >= 0
 }
 
 export function isExternal (path) {