diff --git a/src/views/AdminCenter.vue b/src/views/AdminCenter.vue
index dfdfe36..ca1a923 100644
--- a/src/views/AdminCenter.vue
+++ b/src/views/AdminCenter.vue
@@ -203,7 +203,7 @@ const underlineStyle = computed(() => {
     position: "absolute",
     left: `${activeTab.offsetLeft + activeTab.offsetWidth / 2 - 15 / 2}px`,
     bottom: "0",
-    transition: "transform 0.3s ease, width 0.3s ease", // 平滑过渡
+    transition: "left 0.3s ease", // 平滑过渡
   };
 });
 
diff --git a/src/views/ItemDistribution.vue b/src/views/ItemDistribution.vue
index dc5fa85..d507d7e 100644
--- a/src/views/ItemDistribution.vue
+++ b/src/views/ItemDistribution.vue
@@ -201,7 +201,7 @@ const underlineStyle = computed(() => {
     position: "absolute",
     left: `${activeTab.offsetLeft + activeTab.offsetWidth / 2 - 15 / 2}px`,
     bottom: "0",
-    transition: "transform 0.3s ease, width 0.3s ease", // 平滑过渡
+    transition: "left 0.3s ease", // 平滑过渡
   };
 });