diff --git a/src/components/CategorySelector/CategorySelector.tsx b/src/components/CategorySelector/CategorySelector.tsx
index 809de75..4c66734 100644
--- a/src/components/CategorySelector/CategorySelector.tsx
+++ b/src/components/CategorySelector/CategorySelector.tsx
@@ -165,7 +165,7 @@ const CategorySelector: React.FC<CategorySelectorProps> = ({
           treeNodeFilterProp="title"
           multiple={multiple}
           treeDefaultExpandAll={treeData.length < 30} // 当节点数较少时默认展开所有节点
-          dropdownStyle={{ maxHeight: 400, overflow: 'auto', whiteSpace: 'nowrap', }}
+          dropdownStyle={{ maxHeight: 400, overflow: 'auto', whiteSpace: 'nowrap',minWidth: 250 }}
           treeCheckable={multiple} // 多选模式下显示复选框
           showCheckedStrategy={SHOW_CHILD} // 显示策略：显示子节点
           filterTreeNode={(inputValue, node) => {