diff --git a/src/main/java/com/gunshi/project/hsz/mapper/StRiverRRealMapper.java b/src/main/java/com/gunshi/project/hsz/mapper/StRiverRRealMapper.java
index 7b403a3..7b6a70e 100644
--- a/src/main/java/com/gunshi/project/hsz/mapper/StRiverRRealMapper.java
+++ b/src/main/java/com/gunshi/project/hsz/mapper/StRiverRRealMapper.java
@@ -3,6 +3,8 @@ package com.gunshi.project.hsz.mapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.gunshi.project.hsz.model.StRiverRReal;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
 
 /**
  * 描述: 
@@ -12,4 +14,12 @@ import org.apache.ibatis.annotations.Mapper;
 @Mapper
 public interface StRiverRRealMapper extends BaseMapper<StRiverRReal> {
 
+
+    @Select("""
+        select t.*,t2.stnm from st_river_r_real t
+        left join st_stbprp_b t2 on t.stcd = t2.stcd
+        where t.stcd = #{stcd}
+        order by t.tm desc limit 1
+    """)
+    StRiverRReal queryQByStcd(@Param("stcd") String stcd);
 }