diff --git a/CHANGELOG.md b/CHANGELOG.md
index 524516bb700758877030a2089924a4d9c73d12a6..4d8b28db36588b85edac18ba77a50f297bfd376a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,10 @@
 
 - 修复AI行内聊天点击事件偶发未监听成功问题
 
+### Changed
+
+- 按钮组样式2的下拉框样式增加css权重
+
 ## [0.7.41-alpha.45] - 2025-12-05
 
 ### Fixed
diff --git a/src/common/button-list/button-list.scss b/src/common/button-list/button-list.scss
index 81cd150c9b66654ba7b15fdb4327fea7db6093b8..9f0813a73115ff73b5132a9c6b723817f0dd219b 100644
--- a/src/common/button-list/button-list.scss
+++ b/src/common/button-list/button-list.scss
@@ -134,28 +134,6 @@ $button-list: (
       min-width: 150px;
       overflow: visible;
     }
-
-    @include m(style2) {
-      &.el-popper.el-dropdown__popper .el-scrollbar .el-dropdown__list {
-        background-color: transparent;
-
-        .el-dropdown-menu {
-          background-color: transparent;
-        }
-
-        .el-dropdown-menu__item {
-          background-color: transparent;
-
-          &:hover {
-            background-color: getCssVar(color, bg, 0);
-          }
-        }
-      }
-
-      .el-button {
-        color: getCssVar(color, text-2);
-      }
-    }
   }
 
   @include e(dropdown-popper-content) {
@@ -168,6 +146,7 @@ $button-list: (
   }
 }
 
+// 下拉弹窗样式
 .#{bem(button-list, dropdown-popper-content)},
 .#{bem(button-list, popover)} {
   display: flex;
@@ -195,3 +174,23 @@ $button-list: (
     }
   }
 }
+.#{bem(button-list__dropdown-popper--style2)} {
+  .#{bem(button-list, dropdown-popper-content)},
+  .el-scrollbar .el-dropdown__list {
+    background-color: transparent !important;
+  }
+
+  // 项样式
+  .el-button {
+    color: getCssVar(color, text, 2);
+    background-color: transparent;
+    border-radius: 0;
+
+    &.is-text:not(.is-disabled) {
+      &:hover {
+        background-color: getCssVar(color, bg, 0);
+        border-color: transparent;
+      }
+    }
+  }
+}
\ No newline at end of file