diff --git a/ducking.html b/ducking.html
index 0e9c5c3..8fb340f 100644
--- a/ducking.html
+++ b/ducking.html
@@ -550,6 +550,9 @@
         }
 
         function attackSlider(number) {
+            if (number == '') {
+                number = 0
+            }
             let element = $('#attack')
             let input = $("#attack .volume-slider input")
             let value = (parseFloat(number) - 10) / (490 / 100)
@@ -593,6 +596,9 @@
         }
 
         function thresholdSlider(number) {
+            if (number == '') {
+                number = 0
+            }
             let element = $('#threshold')
             let input = $("#threshold .volume-slider input")
             let value = (parseFloat(number) + 60) / (60 / 100)
@@ -637,6 +643,9 @@
         }
 
         function ducklevelSlider(number) {
+            if (number == '') {
+                number = 0
+            }
             let element = $('#ducklevel')
             let input = $("#ducklevel .volume-slider input")
             let value = (parseFloat(number) + 100) / (100 / 100)
@@ -681,6 +690,9 @@
         }
 
         function releaseSlider(number) {
+            if (number == '') {
+                number = 0
+            }
             console.log(number, releaseValue)
             let element = $('#release')
             let input = $("#release .volume-slider input")
diff --git a/js/equalizer.js b/js/equalizer.js
index 2c49040..16568a7 100644
--- a/js/equalizer.js
+++ b/js/equalizer.js
@@ -27,6 +27,7 @@ $(function () {
             // console.log(typeof (e.data))
             var eqData = $.parseJSON(e.data).content
             if (eqData.action == 'home_get') {
+                console.log('需要重新加载')
                 loadData()
             }
             else {
diff --git a/network.html b/network.html
index 5e9ec1f..694d3e3 100644
--- a/network.html
+++ b/network.html
@@ -138,6 +138,10 @@
                     alert('The gateway address format is incorrect')
                     return
                 }
+                if (isHostname($('#hostName').val()) == false) {
+                    alert('host name The value can only be letters or numbers')
+                    return
+                }
                 if ($('#hostName').val().length > 32) {
                     alert('The host name contains a maximum of 32 characters')
                     return
@@ -232,6 +236,11 @@
             var reg = /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/
             return reg.test(ip);
         }
+
+        function isHostname(name){
+            var reg=/^(?![0-9]+$)[0-9A-Za-z]{4,16}$/;
+            return reg.test(name)
+        }
     </script>
      <script src="js/main.js"></script>
 </body>
diff --git a/security.html b/security.html
index 3f09db5..8d6b9fb 100644
--- a/security.html
+++ b/security.html
@@ -125,6 +125,10 @@
                     alert('The new password must be between 5 and 16 characters long')
                     return
                 }
+                if(isPassword(oldpassword) == false || isPassword(newpassword) == false || isPassword(confirmpassword) == false){
+                    alert('The password does not meet the rules. Please use alphanumeric to set the password')
+                    return
+                }
                 if (newpassword != confirmpassword) {
                     alert('Confirm that the password is inconsistent with the new password')
                     return
@@ -160,6 +164,11 @@
                 })
             })
         })
+
+        function isPassword(name){
+            var reg=/^(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{6,}$/;
+            return reg.test(name)
+        }
     </script>
     <script src="js/main.js"></script>
 </body>