diff --git a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java
index 6bd1aa9..de4ea4d 100644
--- a/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java
+++ b/ruoyi-modules/ruoyi-gen/src/main/java/com/ruoyi/gen/service/GenTableServiceImpl.java
@@ -7,6 +7,7 @@ import java.io.StringWriter;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
@@ -286,7 +287,7 @@ public class GenTableServiceImpl implements IGenTableService
     {
         GenTable table = genTableMapper.selectGenTableByName(tableName);
         List<GenTableColumn> tableColumns = table.getColumns();
-        List<String> tableColumnNames = tableColumns.stream().map(GenTableColumn::getColumnName).collect(Collectors.toList());
+        Map<String, GenTableColumn> tableColumnMap = tableColumns.stream().collect(Collectors.toMap(GenTableColumn::getColumnName,  Function.identity()));
 
         List<GenTableColumn> dbTableColumns = genTableColumnMapper.selectDbTableColumnsByName(tableName);
         if (StringUtils.isEmpty(dbTableColumns))
@@ -296,9 +297,17 @@ public class GenTableServiceImpl implements IGenTableService
         List<String> dbTableColumnNames = dbTableColumns.stream().map(GenTableColumn::getColumnName).collect(Collectors.toList());
 
         dbTableColumns.forEach(column -> {
-            if (!tableColumnNames.contains(column.getColumnName()))
+            GenUtils.initColumnField(column, table);
+            if (tableColumnMap.containsKey(column.getColumnName()))
             {
-                GenUtils.initColumnField(column, table);
+                GenTableColumn prevColumn = tableColumnMap.get(column.getColumnName());
+                column.setColumnId(prevColumn.getColumnId());
+                if (column.isList()) {
+                    // 如果是列表，继续保留字典类型
+                    column.setDictType(prevColumn.getDictType());
+                }
+                genTableColumnMapper.updateGenTableColumn(column);
+            } else {
                 genTableColumnMapper.insertGenTableColumn(column);
             }
         });