diff --git a/resources/assets/js/components/MDEditor/components/pro/pro.js b/resources/assets/js/components/MDEditor/components/pro/pro.js
index f2254e479..911e77c7c 100644
--- a/resources/assets/js/components/MDEditor/components/pro/pro.js
+++ b/resources/assets/js/components/MDEditor/components/pro/pro.js
@@ -21,6 +21,7 @@ export default {
     },
 
     mounted() {
+        tocObj.reset()
         this.init();
         this.createEditor();
     },