diff --git a/src/components/layout/layout.vue b/src/components/layout/layout.vue
index 450caf5..c04daa8 100644
--- a/src/components/layout/layout.vue
+++ b/src/components/layout/layout.vue
@@ -105,7 +105,13 @@ export default {
             if (this.customBtn) {
                 this.$emit("onClickBtn");
             } else {
-                uni.navigateBack({ delta: 1 });
+                if (getCurrentPages().length < 2) {
+                    uni.switchTab({
+                        url: "/pages/index/index",
+                    });
+                } else {
+                    uni.navigateBack({ delta: 1 });
+                }
             }
         },
         changeCity() {