diff --git a/src/components/ModeDialog.vue b/src/components/ModeDialog.vue
index 4b5281c..2e0dbd6 100644
--- a/src/components/ModeDialog.vue
+++ b/src/components/ModeDialog.vue
@@ -202,6 +202,7 @@ export default defineComponent({
     let show_dialog = ref(false);
     let type = ref(1);
     let name = ref(null);
+    let backup_index = 0;
     let index = ref(0);
     let uuid = ref("");
     const selected: any = ref(null);
@@ -274,9 +275,11 @@ export default defineComponent({
             selected.value = options.data?.item_data?.group_uuid ?? null;
             uuid.value = options.data?.item_data?.uuid ?? null;
             index.value = options.data?.item_data?.number ?? 0;
+            backup_index = index.value;
           } else {
             selected.value = options.data?.uuid ?? null;
             uuid.value = options.data?.uuid ?? null;
+            index.value = 0;
           }
         }
         show_dialog.value = true;
@@ -285,6 +288,7 @@ export default defineComponent({
         loading.value = false;
         (selected.value = null), (name.value = null);
         type.value = 1;
+        backup_index = 0;
       },
       treeNodesFilter(node: any, filter: any) {
         return node.is_group;
@@ -309,8 +313,11 @@ export default defineComponent({
                   response = false;
                 }
               }
+              if (index.value == backup_index) {
+                response = true;
+              }
               if (!response) {
-                resolve($t.t("index exised!"));
+                resolve($t.t("index exised") + "!");
               } else {
                 resolve(true);
               }
diff --git a/src/entities/ModeEntity.ts b/src/entities/ModeEntity.ts
index b5b49a8..49eb1ee 100644
--- a/src/entities/ModeEntity.ts
+++ b/src/entities/ModeEntity.ts
@@ -3,6 +3,7 @@ import BaseEntity from "./BaseEntity";
 export class ModeEntity extends BaseEntity {
   group_uuid: string = "";
   name: string = "";
+  number: number = 0;
 
   public static copy(dest: ModeEntity, src?: ModeEntity) {
     if (!src) {
@@ -13,6 +14,7 @@ export class ModeEntity extends BaseEntity {
     dest.base_note = src.base_note;
     dest.name = src.name;
     dest.group_uuid = src.group_uuid;
+    dest.number = src.number;
   }
 }
 
diff --git a/src/i18n/zh-CN/index.ts b/src/i18n/zh-CN/index.ts
index dcfe528..da60b80 100644
--- a/src/i18n/zh-CN/index.ts
+++ b/src/i18n/zh-CN/index.ts
@@ -316,4 +316,5 @@ export default {
   "new signal source": "新建信号源",
   "lower window": "置底窗口",
   "top window": "置顶窗口",
+  "index exised": "索引已经存在",
 };