feat:首页完成

src/utils/navigate-back.ts

@@ -0,0 +1,15 @@
+export function navigateBackWithFallback(fallbackUrl: string) {
+  const pages = getCurrentPages()
+
+  if (pages.length > 1) {
+    uni.navigateBack()
+    return
+  }
+
+  uni.redirectTo({
+    url: fallbackUrl,
+    fail: () => {
+      uni.reLaunch({ url: fallbackUrl })
+    },
+  })
+}