diff --git a/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiModelParamMapper.xml b/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiModelParamMapper.xml
index b91421b..694de36 100644
--- a/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiModelParamMapper.xml
+++ b/ccdi-project/src/main/resources/mapper/ccdi/project/CcdiModelParamMapper.xml
@@ -39,7 +39,12 @@
         order by model_code
     </select>
 
-    <!-- 关键:只更新 param_value 字段,使用 CASE WHEN 批量更新 -->
+    <!-- 根据项目ID查询所有模型参数 -->
+    <select id="selectByProjectId" resultType="CcdiModelParam">
+        <include refid="selectModelParamVo"/>
+        WHERE project_id = #{projectId}
+        ORDER BY model_code, sort_order
+    </select>
     <update id="batchUpdateParamValues">
         update ccdi_model_param
         <set>