diff --git a/business/src/main/java/com/fizz/business/controller/SteelGradeInfoController.java b/business/src/main/java/com/fizz/business/controller/SteelGradeInfoController.java
index 4544562..4c9e9d2 100644
--- a/business/src/main/java/com/fizz/business/controller/SteelGradeInfoController.java
+++ b/business/src/main/java/com/fizz/business/controller/SteelGradeInfoController.java
@@ -27,12 +27,17 @@ public class SteelGradeInfoController {
 
     @GetMapping("/list")
     @Operation(summary = "查询钢种列表")
-    public R<List<StdAlloyVO>> list() {
+    public R<List<StdAlloyVO>> list(@RequestParam(value = "keyword", required = false) String keyword) {
 
-        // 使用 LambdaQueryWrapper 查询 StdAlloy 表中的数据
+        // 使用 LambdaQueryWrapper 查询 StdAlloy 表中的数据，支持按名称/编号模糊查询
         LambdaQueryWrapper<StdAlloy> queryWrapper = new LambdaQueryWrapper<>();
-        queryWrapper.select(StdAlloy::getGradeid, StdAlloy::getName) // 只查询 gradeId 和 name 字段
-                .orderByAsc(StdAlloy::getName); // 按 name 排序
+        queryWrapper.select(StdAlloy::getGradeid, StdAlloy::getName); // 只查询 gradeId 和 name 字段
+        if (StringUtils.isNotBlank(keyword)) {
+            queryWrapper.like(StdAlloy::getName, keyword)
+                    .or()
+                    .like(StdAlloy::getGradeid, keyword);
+        }
+        queryWrapper.orderByAsc(StdAlloy::getName); // 按 name 排序
 
         // 查询 StdAlloy 数据
         List<StdAlloy> stdAlloyList = steelGradeInfoService.list(queryWrapper);