diff --git a/packages/fineui/src/widget/datepane/datepane.js b/packages/fineui/src/widget/datepane/datepane.js
index e8f79ea3f..8ba860c66 100644
--- a/packages/fineui/src/widget/datepane/datepane.js
+++ b/packages/fineui/src/widget/datepane/datepane.js
@@ -64,17 +64,11 @@ export class DynamicDatePane extends Widget {
                             {
                                 eventName: ButtonGroup.EVENT_CHANGE,
                                 action: () => {
-                                    let date;
                                     const value = this.switcher.getValue()[0];
                                     this.dateTab.setSelect(value);
                                     switch (value) {
                                         case DynamicDatePane.Static:
-                                            date = DynamicDateHelper.getCalculation(this.dynamicPane.getValue());
-                                            this.ymd.setValue({
-                                                year: date.getFullYear(),
-                                                month: date.getMonth() + 1,
-                                                day: date.getDate(),
-                                            });
+                                            this._setStaticValueByDynamicValue(this.dynamicPane.getValue());
                                             break;
                                         case DynamicDatePane.Dynamic:
                                             this.dynamicPane.setValue({
@@ -219,7 +213,6 @@ export class DynamicDatePane extends Widget {
         const value = v.value || v;
 
         const { isPreview } = this.options;
-        let date;
 
         // 如果是初始化且是预览状态 直接打开静态页面
         this.switcher.setValue(isPreview ? DynamicDateCombo.Static : type);
@@ -227,27 +220,14 @@ export class DynamicDatePane extends Widget {
         switch (type) {
             case DynamicDateCombo.Dynamic:
                 if (isPreview) {
-                    date = DynamicDateHelper.getCalculation(value);
-                    this.ymd.setValue({
-                        year: date.getFullYear(),
-                        month: date.getMonth() + 1,
-                        day: date.getDate(),
-                    });
+                    this._setStaticValueByDynamicValue(value);
                 } else {
                     this.dynamicPane.setValue(value);
                 }
                 break;
             case DynamicDateCombo.Static:
             default:
-                if (this._checkValueValid(value)) {
-                    const date = getDate();
-                    this.ymd.setValue({
-                        year: date.getFullYear(),
-                        month: date.getMonth() + 1,
-                    });
-                } else {
-                    this.ymd.setValue(value);
-                }
+                this._setStaticValue(value);
                 break;
         }
     }
@@ -278,19 +258,32 @@ export class DynamicDatePane extends Widget {
                 break;
             case DynamicDateCombo.Static:
             default:
-                if (this._checkValueValid(value)) {
-                    const date = getDate();
-                    this.ymd.setValue({
-                        year: date.getFullYear(),
-                        month: date.getMonth() + 1,
-                    });
-                } else {
-                    this.ymd.setValue(value);
-                }
+                this._setStaticValue(value);
                 break;
         }
     }
 
+    _setStaticValue(value) {
+        if (this._checkValueValid(value)) {
+            const date = getDate();
+            this.ymd.setValue({
+                year: date.getFullYear(),
+                month: date.getMonth() + 1,
+            });
+        } else {
+            this.ymd.setValue(value);
+        }
+    }
+
+    _setStaticValueByDynamicValue(value) {
+        const date = DynamicDateHelper.getCalculation(value);
+        this.ymd.setValue({
+            year: date.getFullYear(),
+            month: date.getMonth() + 1,
+            day: date.getDate(),
+        });
+    }
+
     getValue() {
         const type = this.dateTab.getSelect();