diff --git a/resources/assets/src/index.ts b/resources/assets/src/index.ts
index 49255f61..94fb89b3 100644
--- a/resources/assets/src/index.ts
+++ b/resources/assets/src/index.ts
@@ -23,7 +23,7 @@ function loadModules() {
       new Vue({
         el: route.el,
         mounted() {
-          setTimeout(() => emitter.emit('mounted', { el: route.el }), 100)
+          this.$nextTick(() => emitter.emit('mounted', { el: route.el }))
         },
         render: h => h(route.component),
       })
diff --git a/resources/misc/changelogs/en/4.3.0.md b/resources/misc/changelogs/en/4.3.0.md
index febbc9ba..3a14a7d8 100644
--- a/resources/misc/changelogs/en/4.3.0.md
+++ b/resources/misc/changelogs/en/4.3.0.md
@@ -15,3 +15,4 @@
 
 - Fixed that possible duplicated signings.
 - Fixed that OAuth tables not created at installation.
+- Fixed occasion of `mounted` event of plugins system.
diff --git a/resources/misc/changelogs/zh_CN/4.3.0.md b/resources/misc/changelogs/zh_CN/4.3.0.md
index b3fda434..57d7050b 100644
--- a/resources/misc/changelogs/zh_CN/4.3.0.md
+++ b/resources/misc/changelogs/zh_CN/4.3.0.md
@@ -15,3 +15,4 @@
 
 - 修复可能存在的重复签到问题
 - 修复安装皮肤站时未创建 OAuth 相关数据表的问题
+- 修复插件系统中前端 `mounted` 事件的时机问题