diff --git a/package.json b/package.json
index af4c7c999..bf704486e 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
   "dependencies": {
     "@babel/runtime": "7.x",
     "@vant/icons": "^1.5.3",
-    "@vant/lazyload": "^1.0.2",
+    "@vant/lazyload": "^1.0.4",
     "@vant/popperjs": "^1.0.4",
     "@vant/use": "^1.0.5"
   },
diff --git a/src/lazyload/index.js b/src/lazyload/index.ts
similarity index 100%
rename from src/lazyload/index.js
rename to src/lazyload/index.ts
diff --git a/src/utils/mount-component.ts b/src/utils/mount-component.ts
index cdf1c3307..f90dd0d43 100644
--- a/src/utils/mount-component.ts
+++ b/src/utils/mount-component.ts
@@ -12,15 +12,10 @@ export function usePopupState() {
 
   const open = (props: Record<string, any>) => {
     Object.assign(state, props);
-
-    nextTick(() => {
-      toggle(true);
-    });
+    nextTick(() => toggle(true));
   };
 
-  const close = () => {
-    toggle(false);
-  };
+  const close = () => toggle(false);
 
   useExpose({ open, close, toggle });
 
diff --git a/yarn.lock b/yarn.lock
index 12143dc04..54697fd27 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1953,10 +1953,10 @@
   resolved "https://registry.npm.taobao.org/@vant/icons/download/@vant/icons-1.5.3.tgz?cache=0&sync_timestamp=1613997305954&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40vant%2Ficons%2Fdownload%2F%40vant%2Ficons-1.5.3.tgz#b7779f67bf608d417a82452fbede406dfa46b439"
   integrity sha1-t3efZ79gjUF6gkUvvt5AbfpGtDk=
 
-"@vant/lazyload@^1.0.2":
-  version "1.0.2"
-  resolved "https://registry.npm.taobao.org/@vant/lazyload/download/@vant/lazyload-1.0.2.tgz?cache=0&sync_timestamp=1607063029666&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40vant%2Flazyload%2Fdownload%2F%40vant%2Flazyload-1.0.2.tgz#1ca486bee2b9465ae005a88014bee873a647f763"
-  integrity sha1-HKSGvuK5RlrgBaiAFL7oc6ZH92M=
+"@vant/lazyload@^1.0.4":
+  version "1.0.4"
+  resolved "https://registry.npm.taobao.org/@vant/lazyload/download/@vant/lazyload-1.0.4.tgz?cache=0&sync_timestamp=1615084239650&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2F%40vant%2Flazyload%2Fdownload%2F%40vant%2Flazyload-1.0.4.tgz#f1bbd81217cf416a377ab2f928f2a147a4489259"
+  integrity sha1-8bvYEhfPQWo3erL5KPKhR6RIklk=
 
 "@vant/markdown-loader@^3.0.2":
   version "3.0.2"