diff --git a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiModelParamMapper.java b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiModelParamMapper.java
index 34d4931..23ad6f8 100644
--- a/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiModelParamMapper.java
+++ b/ccdi-project/src/main/java/com/ruoyi/ccdi/project/mapper/CcdiModelParamMapper.java
@@ -45,4 +45,20 @@ public interface CcdiModelParamMapper extends BaseMapper<CcdiModelParam> {
      * @return 影响行数
      */
     int insertBatch(@Param("list") List<CcdiModelParam> list);
+
+    /**
+     * 更新参数值
+     *
+     * @param projectId 项目ID
+     * @param modelCode 模型编码
+     * @param paramCode 参数编码
+     * @param paramValue 参数值
+     * @return 影响行数
+     */
+    int updateParamValue(
+        @Param("projectId") Long projectId,
+        @Param("modelCode") String modelCode,
+        @Param("paramCode") String paramCode,
+        @Param("paramValue") String paramValue
+    );
 }