diff --git a/src/components/common-select/index.vue b/src/components/common-select/index.vue
index 7b4fcfe..3dcbc99 100644
--- a/src/components/common-select/index.vue
+++ b/src/components/common-select/index.vue
@@ -13,6 +13,7 @@
     showArrow
     :maxTagCount="maxTagCount"
     @change="handleChange"
+    :filterOption="allowSearch ? filterOption : undefined"
   >
     <Option v-for="(item, index) in validOptions" :key="index" :value="item.value" :label="item.label">
       <div class="flex items-center">
@@ -105,6 +106,17 @@ const handleChange = (value) => {
   selectedValues.value = value;
   emits('change', value);
 };
+
+// 搜索过滤函数
+const filterOption = (input, option) => {
+  // 确保 input 和 option.label 都存在且为字符串
+  if (!input || !option || !option.label) {
+    return false;
+  }
+  
+  // 不区分大小写的模糊搜索
+  return option.label.toString().toLowerCase().includes(input.toLowerCase());
+};
 </script>
 
 <style scoped>