diff --git a/Frontend/js/style.js b/Frontend/js/style.js
index 4817d3c..aea62e5 100644
--- a/Frontend/js/style.js
+++ b/Frontend/js/style.js
@@ -133,6 +133,17 @@ YT.Math.Random = function (min, max) {
 /// </summary>
 function jquValAddMethod() {
     if ($.validator) {
+        $.validator.setDefaults({
+            onkeyup: function (element, event) {
+                $(element).valid();
+            },
+            //errorPlacement: function (error, element) {
+            //    if (element.hasClass("removedTitle"))
+            //        error.insertAfter(element.next("img"));
+            //    else
+            //        error.insertAfter(element);
+            //}
+        });
         $.validator.addMethod("requiredSelect", function (value, element) {
 
             let selVal = $(element).find(`option:selected`).val();
@@ -149,6 +160,14 @@ function jquValAddMethod() {
             }
             return true;
         }, "必須選擇")
+        $.validator.addMethod("phone", function (phoneNumber, element) {
+            phoneNumber = phoneNumber.replace(/\s+/g, "");
+            return phoneNumber.match(/^[0-9]{9,10}$/);
+        }, "請輸入正確電話號碼格式");
+
+        $.validator.addMethod("dbLimit", function (value, element, param) {
+            return value.length > param;
+        }, "超出輸入限制");
     }
 }