优化返回代码

src/components/layout/layout.vue

@@ -44,7 +44,6 @@ export default {
             headerHeight: 0,
             statusBarHeight: 0,
             bodyPaddingTop: 0,
-            backType: "back",
         };
     },
     components: {
@@ -107,10 +106,6 @@ export default {
         if (this.showHeader) {
             this.bodyPaddingTop = safePaddingTop;
         }
-        const pages = getCurrentPages();
-        if (pages.length < 2) {
-            this.backType = "home";
-        }
     },
     mounted() {},
     methods: {
@@ -118,7 +113,7 @@ export default {
             if (this.customBtn) {
                 this.$emit("onClickBtn");
             } else {
-                if (this.backType == "home") {
+                if (getCurrentPages().length < 2) {
                     uni.switchTab({
                         url: "/pages/index/index",
                     });