diff --git a/packages/demo/src/demo/widget/yearmonthinterval/demo.year_month_interval.js b/packages/demo/src/demo/widget/yearmonthinterval/demo.year_month_interval.js
index 014c80565..a3ea66721 100644
--- a/packages/demo/src/demo/widget/yearmonthinterval/demo.year_month_interval.js
+++ b/packages/demo/src/demo/widget/yearmonthinterval/demo.year_month_interval.js
@@ -20,6 +20,7 @@ export class YearMonthIntervalDemo extends Widget {
                     ref(_ref) {
                         self.interval = _ref;
                     },
+                    format: "%Y/%X",
                     value: {
                         start: {
                             type: 2,
diff --git a/packages/fineui/src/widget/timeinterval/dateinterval.js b/packages/fineui/src/widget/timeinterval/dateinterval.js
index d98510c7b..180785b39 100644
--- a/packages/fineui/src/widget/timeinterval/dateinterval.js
+++ b/packages/fineui/src/widget/timeinterval/dateinterval.js
@@ -41,6 +41,7 @@ export class DateInterval extends Single {
             minDate: "1900-01-01",
             maxDate: "2099-12-31",
             height: 24,
+            format: "",
             supportDynamic: true,
             simple: false,
         });
@@ -96,6 +97,7 @@ export class DateInterval extends Single {
             maxDate: o.maxDate,
             simple: o.simple,
             behaviors: o.behaviors,
+            format: o.format,
             watermark,
             value: v,
             height: o.height,
diff --git a/packages/fineui/src/widget/timeinterval/timeinterval.js b/packages/fineui/src/widget/timeinterval/timeinterval.js
index 4ae530169..f84971e69 100644
--- a/packages/fineui/src/widget/timeinterval/timeinterval.js
+++ b/packages/fineui/src/widget/timeinterval/timeinterval.js
@@ -40,6 +40,7 @@ export class TimeInterval extends Single {
             minDate: "1900-01-01",
             maxDate: "2099-12-31",
             height: 24,
+            format: "",
             supportDynamic: true,
         });
     }
@@ -94,6 +95,7 @@ export class TimeInterval extends Single {
             supportDynamic: o.supportDynamic,
             minDate: o.minDate,
             maxDate: o.maxDate,
+            format: o.format,
             behaviors: o.behaviors,
             watermark,
             value: v,