diff --git a/types/date.go b/types/date.go
index 188b089..ebfd690 100644
--- a/types/date.go
+++ b/types/date.go
@@ -59,7 +59,7 @@ func ParseDate(t string) (Date, error) {
 
 func ParseDatep(t string) (*Date, error) {
 	if len(t) == 0 {
-		return nil, fmt.Errorf("不能解析空白的日期时间。")
+		return nil, nil
 	}
 	for _, layout := range dateLayouts {
 		d, err := time.ParseInLocation(layout, t, loc)
diff --git a/types/datetime.go b/types/datetime.go
index a1c36cc..7331040 100644
--- a/types/datetime.go
+++ b/types/datetime.go
@@ -81,7 +81,7 @@ func ParseDateTime(t string) (DateTime, error) {
 
 func ParseDateTimep(t string) (*DateTime, error) {
 	if len(t) == 0 {
-		return nil, fmt.Errorf("不能解析空白的日期时间。")
+		return nil, nil
 	}
 	for _, layout := range datetimeLayouts {
 		fmt.Printf("Parse: %s, Try layout: %s\n", t, layout)