diff --git a/lib/java110/utils/StringUtil.js b/lib/java110/utils/StringUtil.js
index b5b7591..a3dc504 100644
--- a/lib/java110/utils/StringUtil.js
+++ b/lib/java110/utils/StringUtil.js
@@ -71,7 +71,7 @@ const escape2Html = function(str) {
 }
 
 const checkPhoneNumber = function(_value){
-	let grep = /^(1(([35789][0-9])|(47)))\d{8}$/;
+	let grep = /^(1(([356789][0-9])|(47)))\d{8}$/;
 	if(grep.test(_value)){
 		return true;
 	}