fix:

级联选择输入字符串报错

tduck-project/src/main/java/com/tduck/cloud/project/entity/struct/CascaderExpandStruct.java

@@ -25,7 +25,7 @@ public class CascaderExpandStruct {
     public static class Option {
         public Integer id;
         public String label;
-        public Integer value;
+        public String value;
         public List<Option> children;
     }
 }