[edit] style

src/logic/content/twitter.js

@@ -257,7 +257,10 @@ function _addDeNetEditBtn(parent, dom, isClick = false) {
                 businessType: Report.businessType.buttonView,
                 objectType: Report.objectType.buttonSecond
             });
-            parent.parentNode.insertBefore(dom, parent.nextElementSibling);
+            let innerDeIcon = document.getElementById('de-btn1');
+            if (!innerDeIcon) {
+                parent.parentNode.insertBefore(dom, parent.nextElementSibling);
+            }
         } else {
             setTimeout(() => {
                 parent = _getScheduleDom(isClick);