diff --git a/src/packages/datepicker/datepicker.taro.tsx b/src/packages/datepicker/datepicker.taro.tsx
index 2d14f28e42..6b321bd4b8 100644
--- a/src/packages/datepicker/datepicker.taro.tsx
+++ b/src/packages/datepicker/datepicker.taro.tsx
@@ -270,6 +270,18 @@ export const DatePicker: FunctionComponent<
         Number(formatDate[2]),
         getMonthEndDay(Number(formatDate[0]), Number(formatDate[1]))
       )
+
+      if (
+        selectedOptions.length >= 2 &&
+        ['date', 'datehour', 'datetime', 'month-day'].includes(rangeType)
+      ) {
+        const dayOption = formatOption('day', day)
+        if (rangeType === 'month-day') {
+          selectedOptions[1] = dayOption
+        } else {
+          selectedOptions[2] = dayOption
+        }
+      }
       let date: Date | null = null
       if (
         rangeType === 'date' ||
diff --git a/src/packages/datepicker/datepicker.tsx b/src/packages/datepicker/datepicker.tsx
index 7a7f818b20..ccbd6abd91 100644
--- a/src/packages/datepicker/datepicker.tsx
+++ b/src/packages/datepicker/datepicker.tsx
@@ -270,6 +270,18 @@ export const DatePicker: FunctionComponent<
         Number(formatDate[2]),
         getMonthEndDay(Number(formatDate[0]), Number(formatDate[1]))
       )
+
+      if (
+        selectedOptions.length >= 2 &&
+        ['date', 'datehour', 'datetime', 'month-day'].includes(rangeType)
+      ) {
+        const dayOption = formatOption('day', day)
+        if (rangeType === 'month-day') {
+          selectedOptions[1] = dayOption
+        } else {
+          selectedOptions[2] = dayOption
+        }
+      }
       let date: Date | null = null
       if (
         rangeType === 'date' ||