diff --git a/laws-modules/src/main/java/com/jero/modules/laws/standard/controller/LawsDictTreeController.java b/laws-modules/src/main/java/com/jero/modules/laws/standard/controller/LawsDictTreeController.java
index c8b610a9..b654f10e 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/standard/controller/LawsDictTreeController.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/standard/controller/LawsDictTreeController.java
@@ -43,8 +43,8 @@ public class LawsDictTreeController {
     @AutoLog(value = "树形结构-零部件树选中回显")
     @ApiOperation(value = "树形结构-零部件树选中回显", notes = "树形结构-零部件树选中回显")
     @PostMapping("/echo")
-    public Result<List<SysDictItem>> queryEcho(@RequestBody Map<String, String> selectNodeCodes) {
-        List<SysDictItem> list = dictTreeService.queryEcho(selectNodeCodes.get("selectNodeCodes"));
+    public Result<List<SysDictItem>> queryEcho(@RequestBody Map<String, String> map) {
+        List<SysDictItem> list = dictTreeService.queryEcho(map.get("selectNodeCodes"), map.get("dictId"));
         return Result.OK(list);
     }
 
diff --git a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/DictTreeService.java b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/DictTreeService.java
index 0666066f..07b80313 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/DictTreeService.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/DictTreeService.java
@@ -10,6 +10,7 @@ import com.jero.modules.system.service.ISysDictService;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
+import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -46,8 +47,11 @@ public class DictTreeService {
         return new TreePage<>(pageList.getRecords(), pageList.getTotal(), pageList.getSize(), pageList.getCurrent());
     }
 
-    public List<SysDictItem> queryEcho(String selectNodeCodes) {
-        return null;
+    public List<SysDictItem> queryEcho(String selectNodeCodes, String dictId) {
+        LambdaQueryWrapper<SysDictItem> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(SysDictItem::getDictId, dictId);
+        queryWrapper.in(SysDictItem::getItemValue, Arrays.asList(selectNodeCodes.split(",")));
+        return dictItemService.list(queryWrapper);
     }
 
     public List<SysDictItem> getChild(String dictItemId, String dictId) {