diff --git a/admin/src/views/device/edit.vue b/admin/src/views/device/edit.vue
index 0306990..14a0e6f 100644
--- a/admin/src/views/device/edit.vue
+++ b/admin/src/views/device/edit.vue
@@ -240,17 +240,23 @@ const handleSubmit = async () => {
     popupRef.value?.close()
     emit('success')
 }
-const generateUuid = () => {
-  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
-    const r = (Math.random() * 16) | 0
-    const v = c == 'x' ? r : (r & 0x3) | 0x8
-    return v.toString(16)
-  })
+const generateUuid = (length: number) => {
+  let result1='',result2='';
+  const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
+  const characters1 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
+  result1 = characters.charAt(Math.floor(Math.random() * characters.length))
+  for (let i = 0; i < length; i++) {
+      const randomIndex = Math.floor(Math.random() * characters1.length);
+      result2 += characters1.charAt(randomIndex);
+
+  }
+  return result1+result2;
 }
+
 //打开弹窗
 const open = (type = 'add') => {
     mode.value = type
-  formData.code = generateUuid()
+  formData.code = generateUuid(3)
   popupRef.value?.open()
 }