diff --git a/ruoyi-modules/ruoyi-gen/src/main/resources/mapper/generator/GenTableColumnMapper.xml b/ruoyi-modules/ruoyi-gen/src/main/resources/mapper/generator/GenTableColumnMapper.xml
index 9a9129cd..fae6a86d 100644
--- a/ruoyi-modules/ruoyi-gen/src/main/resources/mapper/generator/GenTableColumnMapper.xml
+++ b/ruoyi-modules/ruoyi-gen/src/main/resources/mapper/generator/GenTableColumnMapper.xml
@@ -93,6 +93,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             ORDER BY c.relname, a.attnum
             ) temp
             WHERE table_name = (#{tableName})
+                AND column_type <![CDATA[ <> ]]> '-'
         </if>
 	</select>