diff --git a/app/src/assets/scss/base.scss b/app/src/assets/scss/base.scss
index 2060630b8..1fd4234e8 100644
--- a/app/src/assets/scss/base.scss
+++ b/app/src/assets/scss/base.scss
@@ -187,6 +187,7 @@ progressLoading: 400
     text-align: center;
     white-space: nowrap;
     align-self: center;
+    font-size: 12px;
   }
 
   &__item {
@@ -240,6 +241,7 @@ progressLoading: 400
   line-height: 32px;
   border-top: .5px solid var(--b3-border-color);
   padding: 0 5px;
+  font-size: 12px;
 
   .toolbar__item {
     color: var(--b3-theme-on-surface);
diff --git a/app/src/layout/Tab.ts b/app/src/layout/Tab.ts
index d3ed177ff..00e9403ba 100644
--- a/app/src/layout/Tab.ts
+++ b/app/src/layout/Tab.ts
@@ -30,7 +30,6 @@ export class Tab {
             this.headElement = document.createElement("li");
             this.headElement.setAttribute("data-type", "tab-header");
             this.headElement.setAttribute("draggable", "true");
-            this.headElement.setAttribute("style", "max-width: 0");
             this.headElement.setAttribute("data-id", this.id);
             this.headElement.setAttribute("data-position", "center"); // showTooltip 位置标识
             this.headElement.classList.add("item", "item--focus");
diff --git a/app/src/layout/Wnd.ts b/app/src/layout/Wnd.ts
index 55822d9c2..059e0a553 100644
--- a/app/src/layout/Wnd.ts
+++ b/app/src/layout/Wnd.ts
@@ -353,7 +353,6 @@ export class Wnd {
                 }
             }
         });
-
         const initData = currentTab.headElement.getAttribute("data-initdata");
         if (initData) {
             const json = JSON.parse(initData);
@@ -443,11 +442,6 @@ export class Wnd {
             } else {
                 this.headersElement.children[oldFocusIndex].after(tab.headElement);
             }
-
-            setTimeout(() => {
-                tab.headElement.removeAttribute("style");
-            }, Constants.TIMEOUT_TRANSITION);
-
             tab.headElement.querySelector(".item__close").addEventListener("click", (event) => {
                 if (tab.headElement.classList.contains("item--pin")) {
                     tab.unpin();
@@ -505,6 +499,7 @@ export class Wnd {
                             }
                         } else {
                             this.switchTab(item, true);
+                            this.showHeading();
                             window.siyuan.menus.menu.remove();
                         }
                         event.preventDefault();
diff --git a/app/src/layout/util.ts b/app/src/layout/util.ts
index 035833c7d..d184db5a3 100644
--- a/app/src/layout/util.ts
+++ b/app/src/layout/util.ts
@@ -216,6 +216,7 @@ const JSONToCenter = (json: any, layout?: Layout | Wnd | Tab | Model) => {
             child.headElement.setAttribute("data-init-active", "true");
         }
         (layout as Wnd).addTab(child);
+        (layout as Wnd).showHeading();
     } else if (json.instance === "Editor" && json.blockId) {
         (layout as Tab).headElement.setAttribute("data-initdata", JSON.stringify(json));
     } else if (json.instance === "Asset") {