diff --git a/frontend/src/views/TaskHall.vue b/frontend/src/views/TaskHall.vue
index 24d1cd4..6928385 100644
--- a/frontend/src/views/TaskHall.vue
+++ b/frontend/src/views/TaskHall.vue
@@ -6953,17 +6953,6 @@ onUnmounted(() => {
     position: relative;
     overflow: hidden;
     
-    &::before {
-      content: '';
-      position: absolute;
-      top: 0;
-      left: 0;
-      right: 0;
-      height: 3px;
-      background: linear-gradient(90deg, #31f08b, #52c41a);
-      opacity: 0.8;
-    }
-    
     &:hover {
       transform: translateY(-4px);
       border-color: rgba(49, 240, 139, 0.5) !important;