diff --git a/src/main/resources/templates/vm/xml/Mapper.xml.vm b/src/main/resources/templates/vm/xml/Mapper.xml.vm
index f82e7cbc3..c8a6d0be6 100644
--- a/src/main/resources/templates/vm/xml/Mapper.xml.vm
+++ b/src/main/resources/templates/vm/xml/Mapper.xml.vm
@@ -49,19 +49,15 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     <update id="update${className}" parameterType="${className}">
         update ${tableName}
         <trim prefix="SET" suffixOverrides=",">
-    #foreach($column in $columns)
-        #if($column.columnName != $primaryKey.columnName)
-            <if test="$column.attrname != null #if($column.attrType == 'String' ) and $column.attrname != '' #end ">
-                      $column.columnName = #{$column.attrname},
-                    </if>
-        #end
-    #end
+#foreach($column in $columns)
+#if($column.columnName != $primaryKey.columnName)
+            <if test="$column.attrname != null #if($column.attrType == 'String' ) and $column.attrname != '' #end ">$column.columnName = #{$column.attrname},</if>
+#end
+#end
         </trim>
-            where ${primaryKey.columnName} = #{${primaryKey.attrname}}
+        where ${primaryKey.columnName} = #{${primaryKey.attrname}}
     </update>
 
-
-	
 	<delete id="delete${className}ById" parameterType="${primaryKey.attrType}">
         delete from ${tableName} where ${primaryKey.columnName} = #{${primaryKey.attrname}}
     </delete>