[edit] style

src/logic/content/twitter.js

@@ -1992,11 +1992,11 @@ const setGroupTabSelfStyle = (params = {}) => {
     if(groupTab) {
         groupTab.style.color = groupColor;
         groupTab.style.fontWeight = groupFontWeight;
-    }
 
-    let lineDom = groupTab.querySelector('#de-tab-line');
-    if (lineDom) {
-        lineDom.style.display = lineDisplay;
+        let lineDom = groupTab.querySelector('#de-tab-line');
+        if (lineDom) {
+            lineDom.style.display = lineDisplay;
+        }
     }
 };