diff --git a/src/components/cu-navbar/index.vue b/src/components/cu-navbar/index.vue
index 98140d6..036a0a6 100644
--- a/src/components/cu-navbar/index.vue
+++ b/src/components/cu-navbar/index.vue
@@ -100,6 +100,7 @@ const paddingRight = computed(() => {
   return `${rightButtonWidth}px`
 })
 const onLeftClick = () => {
+  if (!props.isBack) return
   emit('leftClick')
   if (props.autoBack) {
     // #ifdef H5