feat: 框架合同--筛选-日期交互优化

@@ -48,7 +48,7 @@
           </view>
           <view class="form-item">
             <view class="label">授权截止时间</view>
-            <uni-datetime-picker type="daterange" v-model="model.dateRange" start="2023-01-01" />
+            <uni-datetime-picker type="daterange" v-model="model.dateRange" start="2023-01-01" @change="onDateChange($event, model)" />
           </view>
         </view>
       </template>
@@ -168,6 +168,11 @@ export default {
       this.filterForm.materialTypeId = raw
     },
 
+    onDateChange(e, model) {
+      // 确保同步更新 filterForm，避免数据不同步
+      this.filterForm.dateRange = e
+    },
+
     onAdd() {
       uni.navigateTo({ url: '/pages/contract_framework/add' })
     },