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 6c2b865..0e7ee44 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
@@ -41,12 +41,31 @@ public class CcdiModelParamServiceImpl implements ICcdiModelParamService {
 
     @Override
     public List<ModelListVO> selectModelList(Long projectId) {
+        log.info("selectModelList 被调用，projectId={}", projectId);
+
         if (projectId == null) {
             projectId = 0L; // 默认查询系统级参数
         }
 
+        // 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);
+            log.info("查询到项目信息: projectId={}, configType={}", projectId,
+                project != null ? project.getConfigType() : "null");
+
+            if (project != null && "default".equals(project.getConfigType())) {
+                // 使用系统默认参数
+                effectiveProjectId = 0L;
+                log.info("项目使用默认配置，切换到系统默认参数，effectiveProjectId=0");
+            }
+        }
+
+        log.info("准备查询模型列表，effectiveProjectId={}", effectiveProjectId);
         List<ModelListVO> result = new ArrayList<>();
-        List<CcdiModelParam> params = modelParamMapper.selectDistinctModels(projectId);
+        List<CcdiModelParam> params = modelParamMapper.selectDistinctModels(effectiveProjectId);
+        log.info("查询到 {} 个模型", params.size());
 
         params.forEach(param -> {
             ModelListVO vo = new ModelListVO();