diff --git a/getter.go b/getter.go
index 77bc462b..5fbe4686 100755
--- a/getter.go
+++ b/getter.go
@@ -13,7 +13,7 @@ func (c Carbon) StdTime() time.Time {
 // DaysInYear gets total days in year like 365.
 // 获取本年的总天数
 func (c Carbon) DaysInYear() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	if c.IsLeapYear() {
@@ -25,7 +25,7 @@ func (c Carbon) DaysInYear() int {
 // DaysInMonth gets total days in month like 30.
 // 获取本月的总天数
 func (c Carbon) DaysInMonth() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.EndOfMonth().time.In(c.loc).Day()
@@ -34,7 +34,7 @@ func (c Carbon) DaysInMonth() int {
 // MonthOfYear gets month of year like 12.
 // 获取本年的第几月
 func (c Carbon) MonthOfYear() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return int(c.StdTime().Month())
@@ -43,7 +43,7 @@ func (c Carbon) MonthOfYear() int {
 // DayOfYear gets day of year like 365.
 // 获取本年的第几天
 func (c Carbon) DayOfYear() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().YearDay()
@@ -52,7 +52,7 @@ func (c Carbon) DayOfYear() int {
 // DayOfMonth gets day of month like 30.
 // 获取本月的第几天
 func (c Carbon) DayOfMonth() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().Day()
@@ -61,7 +61,7 @@ func (c Carbon) DayOfMonth() int {
 // DayOfWeek gets day of week like 6.
 // 获取本周的第几天
 func (c Carbon) DayOfWeek() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	day := int(c.StdTime().Weekday())
@@ -74,7 +74,7 @@ func (c Carbon) DayOfWeek() int {
 // WeekOfYear gets week of year like 1, see https://en.wikipedia.org/wiki/ISO_8601#Week_dates.
 // 获取本年的第几周
 func (c Carbon) WeekOfYear() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	_, week := c.StdTime().ISOWeek()
@@ -84,7 +84,7 @@ func (c Carbon) WeekOfYear() int {
 // WeekOfMonth gets week of month like 1.
 // 获取本月的第几周
 func (c Carbon) WeekOfMonth() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	days := c.Day() + c.StartOfMonth().DayOfWeek() - 1
@@ -97,7 +97,7 @@ func (c Carbon) WeekOfMonth() int {
 // DateTime gets current year, month, day, hour, minute, and second like 2020, 8, 5, 13, 14, 15.
 // 获取当前年、月、日、时、分、秒
 func (c Carbon) DateTime() (year, month, day, hour, minute, second int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	year, month, day = c.Date()
@@ -108,7 +108,7 @@ func (c Carbon) DateTime() (year, month, day, hour, minute, second int) {
 // DateTimeMilli gets current year, month, day, hour, minute, second and millisecond like 2020, 8, 5, 13, 14, 15, 999.
 // 获取当前年、月、日、时、分、秒、毫秒
 func (c Carbon) DateTimeMilli() (year, month, day, hour, minute, second, millisecond int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	year, month, day, hour, minute, second = c.DateTime()
@@ -118,7 +118,7 @@ func (c Carbon) DateTimeMilli() (year, month, day, hour, minute, second, millise
 // DateTimeMicro gets current year, month, day, hour, minute, second and microsecond like 2020, 8, 5, 13, 14, 15, 999999.
 // 获取当前年、月、日、时、分、秒、微秒
 func (c Carbon) DateTimeMicro() (year, month, day, hour, minute, second, microsecond int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	year, month, day, hour, minute, second = c.DateTime()
@@ -128,7 +128,7 @@ func (c Carbon) DateTimeMicro() (year, month, day, hour, minute, second, microse
 // DateTimeNano gets current year, month, day, hour, minute, second and nanosecond like 2020, 8, 5, 13, 14, 15, 999999999.
 // 获取当前年、月、日、时、分、秒、纳秒
 func (c Carbon) DateTimeNano() (year, month, day, hour, minute, second, nanosecond int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	year, month, day, hour, minute, second = c.DateTime()
@@ -138,7 +138,7 @@ func (c Carbon) DateTimeNano() (year, month, day, hour, minute, second, nanoseco
 // Date gets current year, month, and day like 2020, 8, 5.
 // 获取当前年、月、日
 func (c Carbon) Date() (year, month, day int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	var tm time.Month
@@ -149,7 +149,7 @@ func (c Carbon) Date() (year, month, day int) {
 // DateMilli gets current year, month, day and millisecond like 2020, 8, 5, 999.
 // 获取当前年、月、日、毫秒
 func (c Carbon) DateMilli() (year, month, day, millisecond int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	year, month, day = c.Date()
@@ -159,7 +159,7 @@ func (c Carbon) DateMilli() (year, month, day, millisecond int) {
 // DateMicro gets current year, month, day and microsecond like 2020, 8, 5, 999999.
 // 获取当前年、月、日、微秒
 func (c Carbon) DateMicro() (year, month, day, microsecond int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	year, month, day = c.Date()
@@ -169,7 +169,7 @@ func (c Carbon) DateMicro() (year, month, day, microsecond int) {
 // DateNano gets current year, month, day and nanosecond like 2020, 8, 5, 999999999.
 // 获取当前年、月、日、纳秒
 func (c Carbon) DateNano() (year, month, day, nanosecond int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	year, month, day = c.Date()
@@ -179,7 +179,7 @@ func (c Carbon) DateNano() (year, month, day, nanosecond int) {
 // Time gets current hour, minute, and second like 13, 14, 15.
 // 获取当前时、分、秒
 func (c Carbon) Time() (hour, minute, second int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	return c.StdTime().Clock()
@@ -188,7 +188,7 @@ func (c Carbon) Time() (hour, minute, second int) {
 // TimeMilli gets current hour, minute, second and millisecond like 13, 14, 15, 999.
 // 获取当前时、分、秒、毫秒
 func (c Carbon) TimeMilli() (hour, minute, second, millisecond int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	hour, minute, second = c.Time()
@@ -198,7 +198,7 @@ func (c Carbon) TimeMilli() (hour, minute, second, millisecond int) {
 // TimeMicro gets current hour, minute, second and microsecond like 13, 14, 15, 999999.
 // 获取当前时、分、秒、微秒
 func (c Carbon) TimeMicro() (hour, minute, second, microsecond int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	hour, minute, second = c.Time()
@@ -208,7 +208,7 @@ func (c Carbon) TimeMicro() (hour, minute, second, microsecond int) {
 // TimeNano gets current hour, minute, second and nanosecond like 13, 14, 15, 999999999.
 // 获取当前时、分、秒、纳秒
 func (c Carbon) TimeNano() (hour, minute, second, nanosecond int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	hour, minute, second = c.Time()
@@ -218,7 +218,7 @@ func (c Carbon) TimeNano() (hour, minute, second, nanosecond int) {
 // Century gets current century like 21.
 // 获取当前世纪
 func (c Carbon) Century() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.Year()/YearsPerCentury + 1
@@ -227,7 +227,7 @@ func (c Carbon) Century() int {
 // Decade gets current decade like 20.
 // 获取当前年代
 func (c Carbon) Decade() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.Year() % YearsPerCentury / YearsPerDecade * YearsPerDecade
@@ -236,7 +236,7 @@ func (c Carbon) Decade() int {
 // Year gets current year like 2020.
 // 获取当前年
 func (c Carbon) Year() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().Year()
@@ -245,7 +245,7 @@ func (c Carbon) Year() int {
 // Quarter gets current quarter like 3.
 // 获取当前季度
 func (c Carbon) Quarter() (quarter int) {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return
 	}
 	month := c.Month()
@@ -271,7 +271,7 @@ func (c Carbon) Month() int {
 // Week gets current week like 6, start from 0.
 // 获取当前周(从0开始)
 func (c Carbon) Week() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return -1
 	}
 	return (c.DayOfWeek() + DaysPerWeek - int(c.weekStartsAt)) % DaysPerWeek
@@ -286,7 +286,7 @@ func (c Carbon) Day() int {
 // Hour gets current hour like 13.
 // 获取当前小时
 func (c Carbon) Hour() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().Hour()
@@ -295,7 +295,7 @@ func (c Carbon) Hour() int {
 // Minute gets current minute like 14.
 // 获取当前分钟数
 func (c Carbon) Minute() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().Minute()
@@ -304,7 +304,7 @@ func (c Carbon) Minute() int {
 // Second gets current second like 15.
 // 获取当前秒数
 func (c Carbon) Second() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().Second()
@@ -313,7 +313,7 @@ func (c Carbon) Second() int {
 // Millisecond gets current millisecond like 999.
 // 获取当前毫秒数
 func (c Carbon) Millisecond() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().Nanosecond() / 1e6
@@ -322,7 +322,7 @@ func (c Carbon) Millisecond() int {
 // Microsecond gets current microsecond like 999999.
 // 获取当前微秒数
 func (c Carbon) Microsecond() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().Nanosecond() / 1e3
@@ -331,7 +331,7 @@ func (c Carbon) Microsecond() int {
 // Nanosecond gets current nanosecond like 999999999.
 // 获取当前纳秒数
 func (c Carbon) Nanosecond() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().Nanosecond()
@@ -340,7 +340,7 @@ func (c Carbon) Nanosecond() int {
 // Timestamp gets timestamp with second like 1596604455.
 // 输出秒级时间戳
 func (c Carbon) Timestamp() int64 {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().Unix()
@@ -349,7 +349,7 @@ func (c Carbon) Timestamp() int64 {
 // TimestampMilli gets timestamp with millisecond like 1596604455000.
 // 获取毫秒级时间戳
 func (c Carbon) TimestampMilli() int64 {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	t := c.StdTime()
@@ -359,7 +359,7 @@ func (c Carbon) TimestampMilli() int64 {
 // TimestampMicro gets timestamp with microsecond like 1596604455000000.
 // 获取微秒级时间戳
 func (c Carbon) TimestampMicro() int64 {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	t := c.StdTime()
@@ -369,7 +369,7 @@ func (c Carbon) TimestampMicro() int64 {
 // TimestampNano gets timestamp with nanosecond like 1596604455000000000.
 // 获取纳秒级时间戳
 func (c Carbon) TimestampNano() int64 {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	return c.StdTime().UnixNano()
@@ -378,12 +378,18 @@ func (c Carbon) TimestampNano() int64 {
 // Location gets location name like "PRC".
 // 获取位置
 func (c Carbon) Location() string {
+	if c.Error != nil {
+		return ""
+	}
 	return c.loc.String()
 }
 
 // Timezone gets timezone name like "CST".
 // 获取时区
 func (c Carbon) Timezone() string {
+	if c.Error != nil {
+		return ""
+	}
 	name, _ := c.StdTime().Zone()
 	return name
 }
@@ -391,6 +397,9 @@ func (c Carbon) Timezone() string {
 // Offset gets offset seconds from the UTC timezone like 28800.
 // 获取距离UTC时区的偏移量，单位秒
 func (c Carbon) Offset() int {
+	if c.Error != nil {
+		return 0
+	}
 	_, offset := c.StdTime().Zone()
 	return offset
 }
@@ -398,13 +407,16 @@ func (c Carbon) Offset() int {
 // Locale gets locale name like "zh-CN".
 // 获取语言区域
 func (c Carbon) Locale() string {
+	if c.Error != nil {
+		return ""
+	}
 	return c.lang.locale
 }
 
 // Age gets age like 18.
 // 获取年龄
 func (c Carbon) Age() int {
-	if c.IsInvalid() {
+	if c.Error != nil {
 		return 0
 	}
 	now := c.Now()