diff --git a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/service/impl/CcdiModelParamServiceImpl.java b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/service/impl/CcdiModelParamServiceImpl.java
index 90c13cb..1e20bd0 100644
--- a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/service/impl/CcdiModelParamServiceImpl.java
+++ b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/service/impl/CcdiModelParamServiceImpl.java
@@ -60,16 +60,38 @@ public class CcdiModelParamServiceImpl implements ICcdiModelParamService {
 
     @Override
     public List<ModelParamVO> selectParamList(ModelParamQueryDTO queryDTO) {
+        // 1. 参数验证
         Long projectId = queryDTO.getProjectId();
         if (projectId == null) {
             projectId = 0L;
         }
 
+        // 2. 如果是项目查询（projectId > 0），需要根据 configType 决定查询哪组参数
+        Long effectiveProjectId = projectId;
+        if (projectId > 0) {
+            // 查询项目信息
+            CcdiProject project = projectMapper.selectById(projectId);
+            if (project == null) {
+                throw new ServiceException("项目不存在");
+            }
+
+            // 根据 configType 决定查询哪组参数
+            if ("default".equals(project.getConfigType())) {
+                // 使用系统默认参数
+                effectiveProjectId = 0L;
+            } else {
+                // 使用项目自定义参数
+                effectiveProjectId = projectId;
+            }
+        }
+
+        // 3. 查询参数列表
         List<CcdiModelParam> params = modelParamMapper.selectByProjectAndModel(
-            projectId,
+            effectiveProjectId,
             queryDTO.getModelCode()
         );
 
+        // 4. 转换为 VO
         List<ModelParamVO> result = new ArrayList<>();
         params.forEach(param -> {
             ModelParamVO vo = new ModelParamVO();