优化商家查询接口

vehicle-server/src/main/resources/mapper/MerchantMapper.xml

@@ -297,7 +297,7 @@
 
     <select id="getMerchantReport" resultType="java.util.Map">
         SELECT
-            count( 0 ),
+            count( 0 ) menchantCount,
             t.DAY
         FROM
             (