diff --git a/src/components/SubtitleDialog.vue b/src/components/SubtitleDialog.vue
index c679e0d..eb52a24 100644
--- a/src/components/SubtitleDialog.vue
+++ b/src/components/SubtitleDialog.vue
@@ -202,7 +202,8 @@ export default defineComponent({
       branding: false,
       toolbar_mode: "wrap",
       toolbar:
-        "fullscreen | code undo redo restoredraft | cut copy paste pastetext | fontsize| forecolor backcolor bold italic underline strikethrough | alignleft aligncenter alignright alignjustify |subscript superscript removeformat",
+        // "fullscreen | code undo redo restoredraft | cut copy paste pastetext | fontsize| forecolor backcolor bold italic underline strikethrough | alignleft aligncenter alignright alignjustify |subscript superscript removeformat",
+        "fullscreen | fontsize| forecolor backcolor bold italic underline strikethrough | subscript superscript removeformat",
     });
 
     return {
@@ -228,13 +229,30 @@ export default defineComponent({
         loading.value = false;
       },
       onShow() {
-        document.querySelectorAll(".tox ").forEach((item) => {
-          if (item && item.classList.contains("tox-tinymce-aux")) {
-            DomUtil.css(item, {
-              zIndex: "99999",
-            });
-          }
-        });
+        let success = false;
+        const checkZIndex = () => {
+          document.querySelectorAll(".tox ").forEach((item) => {
+            if (item && item.classList.contains("tox-tinymce-aux")) {
+              DomUtil.css(item, {
+                zIndex: "99999",
+              });
+              success = true;
+            }
+          });
+        };
+
+        const checkZIndexAsync = () => {
+          checkZIndex();
+          setTimeout(() => {
+            if (!success) {
+              checkZIndexAsync();
+            } else {
+              console.log("subtitle initialize success");
+            }
+          }, 50);
+        };
+
+        checkZIndexAsync();
       },
       resetData() {
         loading.value = false;