修复

src/main/java/com/muyu/gen/controller/GenController.java

@@ -229,7 +229,7 @@ public class GenController extends BaseController
      * 根据数据库名称与表名称查询表字段
      */
     @GetMapping("/selectDbTableColumnsByName")
-    public Result<List<GenTableColumn>> selTableAll(@RequestParam String dbName,@RequestParam("table") String table){
+    public Result<List<GenTableColumn>> selTableAll(@RequestParam("dbName") String dbName,@RequestParam("table") String table){
         List<GenTableColumn> genTableColumns = genTableColumnService.selectDbTableColumnsByName(table, dbName);
         return Result.success(genTableColumns);
     }