diff --git a/CHANGELOG.md b/CHANGELOG.md
index ecc9275a9a8dd8cb2b2a52f5cdcd0561bc26862a..3f1e29e94c1287fc0a9f6d1285c2e4cee01445fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -51,6 +51,7 @@
 - 新增树部件加载时显示loadding
 - 新增树导航视图的视图刷新能力
 - 新增树面包屑绘制模式（头部样式），当配置树控件动态参数crumbshowmode=HEADERSTYLE或处于树导航栏视图时，将绘制该样式
+- modal工具补充extendConfirm弹出确认操作方法
 
 ### Change
 
@@ -125,6 +126,7 @@
 - 修复级联选择器数据查询异常
 - 修复树部件屏幕高度过高时数据显示不全
 - 修复树部件计数器样式未显示移动端计数器样式
+- 修复下拉列表框值显示异常
 
 ## [0.7.41-alpha.19] - 2025-10-16
 
diff --git a/src/editor/dropdown-list/ibiz-dropdown/ibiz-dropdown.tsx b/src/editor/dropdown-list/ibiz-dropdown/ibiz-dropdown.tsx
index 7a40aec86014e0a3c42b8d42ffe393956cf48a82..4ec6251c910278645bc97f6d95cce41356184514 100644
--- a/src/editor/dropdown-list/ibiz-dropdown/ibiz-dropdown.tsx
+++ b/src/editor/dropdown-list/ibiz-dropdown/ibiz-dropdown.tsx
@@ -81,6 +81,8 @@ export const IBizDropdown = defineComponent({
           if (newVal === null) {
             curValue.value = '';
           }
+        } else {
+          curValue.value = '';
         }
       },
       { immediate: true },
diff --git a/src/util/modal-util/modal-util.ts b/src/util/modal-util/modal-util.ts
index dabd42bd3da1c96f2c83235bd325dd632a107b89..9d014d6dfc09e5ab55ebc7f22b7eb7709a6891b0 100644
--- a/src/util/modal-util/modal-util.ts
+++ b/src/util/modal-util/modal-util.ts
@@ -95,4 +95,26 @@ export class ModalUtil implements IModalUtil {
         });
     });
   }
+
+  async extendConfirm(params: ModalParams): Promise<'yes' | 'no' | 'cancel'> {
+    return new Promise(resolve => {
+      showConfirmDialog({
+        message: params.desc,
+        beforeClose: action => {
+          if (!action) {
+            resolve('cancel');
+          }
+          return true;
+        },
+        ...params,
+        ...params.options,
+      })
+        .then(() => {
+          resolve('yes');
+        })
+        .catch(() => {
+          resolve('no');
+        });
+    });
+  }
 }