diff --git a/src/components/Screenfull/index.vue b/src/components/Screenfull/index.vue
index 13b519f..74d32b2 100644
--- a/src/components/Screenfull/index.vue
+++ b/src/components/Screenfull/index.vue
@@ -39,9 +39,7 @@ watchEffect((onCleanup) => {
   screenfull.on("change", handleChange)
   // 卸载组件时自动执行
   onCleanup(() => {
-    if (screenfull.isEnabled) {
-      screenfull.off("change", handleChange)
-    }
+    screenfull.isEnabled && screenfull.off("change", handleChange)
   })
 })
 </script>