diff --git a/ui/menu.c b/ui/menu.c
index b99ae0b..8101174 100644
--- a/ui/menu.c
+++ b/ui/menu.c
@@ -686,7 +686,7 @@ void UI_DisplayMenu(void) {
         case MENU_MDC_ID:
         {
 //            gIsInSubMenu
-            if (!gIsInSubMenu||edit_index<0) {    // show the channel name
+            if (!gIsInSubMenu||(edit_index<0&&gIsInSubMenu)) {    // show the channel name
                                //     sprintf(edit, "%04lX", gEeprom.MDC1200_ID); // %04X确保输出是4个字符长度的十六进制数
                                       sprintf(String, "%04X", gEeprom.MDC1200_ID); // %04X确保输出是4个字符长度的十六进制数
 
@@ -697,7 +697,7 @@ void UI_DisplayMenu(void) {
 
 
                 UI_PrintStringSmall(String, menu_item_x1, menu_item_x2, 3);//4
-            } else {    // show the channel name being edited
+            } else if(gIsInSubMenu){    // show the channel name being edited
                 UI_PrintStringSmall(edit, menu_item_x1, menu_item_x2, 3);
                 if (edit_index < 4)
                     UI_PrintStringSmall("^", menu_item_x1+(((menu_item_x2 - menu_item_x1) - (32)) + 1) / 2 + (8 * edit_index)+3, 0, 4);  // show the cursor