优化代码生成同步后字典值NULL问题

ruoyi-generator/src/main/java/com/ruoyi/generator/domain/GenTableColumn.java

@@ -63,7 +63,7 @@ public class GenTableColumn extends BaseEntity
     private String htmlType;
 
     /** 字典类型 */
-    private String dictType;
+    private String dictType = "";
 
     /** 排序 */
     private Integer sort;