diff --git a/common/config/meta.go b/common/config/meta.go
index 7372699..4d55d82 100644
--- a/common/config/meta.go
+++ b/common/config/meta.go
@@ -5,7 +5,7 @@ import (
 	"go.uber.org/zap"
 )
 
-var version = "3.5.0"
+var version = "3.5.1"
 var validConfigVersion = []string{"3.3.0", ""}
 
 func init() {
diff --git a/handler/common/errors.go b/handler/common/errors.go
index aefb3b0..1193411 100644
--- a/handler/common/errors.go
+++ b/handler/common/errors.go
@@ -6,9 +6,9 @@ import (
 )
 
 var (
-	ErrZeroExpireMinute               = New(http.StatusBadRequest, 1, "zero expire time")
+	ErrZeroExpireSecond               = New(http.StatusBadRequest, 1, "zero expire time")
 	ErrZeroExpireCount                = New(http.StatusBadRequest, 2, "zero expire count")
-	ErrExpireMinuteGreaterThanMonth   = New(http.StatusBadRequest, 3, "expire minute greater than a month")
+	ErrExpireSecondGreaterThanMonth   = New(http.StatusBadRequest, 3, "expire minute greater than a month")
 	ErrExpireCountGreaterThanMaxCount = New(http.StatusBadRequest, 4, "expire count greater than max count")
 	ErrEmptyContent                   = New(http.StatusBadRequest, 5, "empty content")
 	ErrEmptyLang                      = New(http.StatusBadRequest, 6, "empty lang")
diff --git a/handler/paste/paste.go b/handler/paste/paste.go
index e96bb25..4fe167c 100644
--- a/handler/paste/paste.go
+++ b/handler/paste/paste.go
@@ -56,7 +56,7 @@ func Create(context *gin.Context) {
 	if body.SelfDestruct {
 		paste = &model.Temporary{
 			AbstractPaste: body.AbstractPaste,
-			ExpireMinute:  body.ExpireMinute,
+			ExpireSecond:  body.ExpireSecond,
 			ExpireCount:   body.ExpireCount,
 		}
 	} else {
diff --git a/handler/paste/paste_test.go b/handler/paste/paste_test.go
index 2671722..3901e74 100644
--- a/handler/paste/paste_test.go
+++ b/handler/paste/paste_test.go
@@ -137,7 +137,7 @@ func creatTestCaseGenerator() map[string]testCase {
 						"lang":          "python",
 						"password":      password,
 						"self_destruct": pasteType != "permanent",
-						"expire_minute": 1,
+						"expire_second": 1,
 						"expire_count":  1,
 					},
 					map[string]string{},
@@ -150,12 +150,12 @@ func creatTestCaseGenerator() map[string]testCase {
 
 	for _, name := range []string{
 		"bind_failed", "empty_lang", "empty_content",
-		"zero_expire_count", "zero_expire_minute",
+		"zero_expire_count", "zero_expire_second",
 		"month_expiration", "big_expiration", "invalid_lang", // "db_locked",
 	} {
 		var (
 			expectedStatus             = -1
-			expireMinute   interface{} = model.OneMonth
+			ExpireSecond   interface{} = model.OneMonth
 			expireCount                = 1
 			content                    = "print('Hello World!')"
 			lang                       = "python"
@@ -172,21 +172,21 @@ func creatTestCaseGenerator() map[string]testCase {
 			expectedStatus = common.ErrEmptyContent.Code
 			message = common.ErrEmptyContent.Error()
 		case "bind_failed":
-			expireMinute = "1"
+			ExpireSecond = "1"
 			expectedStatus = common.ErrWrongParamType.Code
 			message = common.ErrWrongParamType.Error()
 		case "zero_expire_count":
 			expireCount = 0
 			expectedStatus = common.ErrZeroExpireCount.Code
 			message = common.ErrZeroExpireCount.Error()
-		case "zero_expire_minute":
-			expireMinute = 0
-			expectedStatus = common.ErrZeroExpireMinute.Code
-			message = common.ErrZeroExpireMinute.Error()
+		case "zero_expire_second":
+			ExpireSecond = 0
+			expectedStatus = common.ErrZeroExpireSecond.Code
+			message = common.ErrZeroExpireSecond.Error()
 		case "month_expiration":
-			expireMinute = model.OneMonth + 1
-			expectedStatus = common.ErrExpireMinuteGreaterThanMonth.Code
-			message = common.ErrExpireMinuteGreaterThanMonth.Error()
+			ExpireSecond = model.OneMonth + 1
+			expectedStatus = common.ErrExpireSecondGreaterThanMonth.Code
+			message = common.ErrExpireSecondGreaterThanMonth.Error()
 		case "big_expiration":
 			expireCount = model.MaxCount + 1
 			expectedStatus = common.ErrExpireCountGreaterThanMaxCount.Code
@@ -210,7 +210,7 @@ func creatTestCaseGenerator() map[string]testCase {
 					"lang":          lang,
 					"password":      "",
 					"self_destruct": true,
-					"expire_minute": expireMinute,
+					"expire_second": ExpireSecond,
 					"expire_count":  expireCount,
 				},
 				map[string]string{},
diff --git a/handler/paste/util.go b/handler/paste/util.go
index 9462d96..b720f0f 100644
--- a/handler/paste/util.go
+++ b/handler/paste/util.go
@@ -15,7 +15,7 @@ var (
 type CreateRequest struct {
 	*model.AbstractPaste
 	SelfDestruct bool   `json:"self_destruct" example:"true"` // 是否自我销毁
-	ExpireMinute uint64 `json:"expire_minute" example:"5"`    // 创建若干分钟后自我销毁
+	ExpireSecond uint64 `json:"expire_second" example:"300"`    // 创建若干秒后自我销毁
 	ExpireCount  uint64 `json:"expire_count" example:"1"`     // 访问若干次后自我销毁
 }
 
@@ -51,15 +51,15 @@ func validator(body CreateRequest) *common.ErrorResponse {
 	}
 
 	if body.SelfDestruct {
-		if body.ExpireMinute <= 0 {
-			return common.ErrZeroExpireMinute
+		if body.ExpireSecond <= 0 {
+			return common.ErrZeroExpireSecond
 		}
 		if body.ExpireCount <= 0 {
 			return common.ErrZeroExpireCount
 		}
 
-		if body.ExpireMinute > model.OneMonth {
-			return common.ErrExpireMinuteGreaterThanMonth
+		if body.ExpireSecond > model.OneMonth {
+			return common.ErrExpireSecondGreaterThanMonth
 		}
 		if body.ExpireCount > model.MaxCount {
 			return common.ErrExpireCountGreaterThanMaxCount
@@ -76,7 +76,7 @@ func authenticator(body CreateRequest) *common.ErrorResponse {
 		if body.ExpireCount > 1 {
 			return common.ErrUnauthorized
 		}
-		if body.ExpireMinute > 5 {
+		if body.ExpireSecond > 5 {
 			return common.ErrUnauthorized
 		}
 	}
diff --git a/model/paste/temporary.go b/model/paste/temporary.go
index 52d07b5..2c99dc4 100644
--- a/model/paste/temporary.go
+++ b/model/paste/temporary.go
@@ -10,7 +10,7 @@ import (
 )
 
 const (
-	OneMonth = 31 * 24 * 60
+	OneMonth = 31 * 24 * 60 * 60
 	MaxCount = 3
 )
 
@@ -23,7 +23,7 @@ func init() {
 // Temporary 临时
 type Temporary struct {
 	*AbstractPaste        // 公有字段
-	ExpireMinute   uint64 `json:"expire_minute"` // 过期时间
+	ExpireSecond   uint64 `json:"expire_second"` // 过期时间
 	ExpireCount    uint64 `json:"expire_count"` // 过期的次数
 }
 
@@ -34,7 +34,7 @@ func (paste *Temporary) Save() error {
 	err := dao.DB.Create(&paste).Error
 	if err == nil {
 		key := paste.Key
-		time.AfterFunc(time.Minute*time.Duration(paste.ExpireMinute), func() {
+		time.AfterFunc(time.Second*time.Duration(paste.ExpireSecond), func() {
 			if e := dao.DB.Delete(&Temporary{AbstractPaste: &AbstractPaste{Key: key}}).Error; e != nil {
 				logging.Error("delete paste failed", zap.String("key", paste.Key), zap.String("err", e.Error()))
 			}
@@ -49,7 +49,7 @@ func (paste *Temporary) Delete() error {
 }
 
 func (paste *Temporary) Expired() bool {
-	duration := time.Minute * time.Duration(paste.ExpireMinute)
+	duration := time.Second * time.Duration(paste.ExpireSecond)
 	if time.Now().After(paste.CreatedAt.Add(duration)) {
 		return true
 	}
diff --git a/model/paste/temporary_test.go b/model/paste/temporary_test.go
index c8fd5c8..146d8df 100644
--- a/model/paste/temporary_test.go
+++ b/model/paste/temporary_test.go
@@ -22,7 +22,7 @@ func assertEqual(t *testing.T, expect interface{}, got interface{}) {
 func TestTemporaryGet(t *testing.T) {
 	paste := Temporary{AbstractPaste: &AbstractPaste{}}
 	paste.ExpireCount = 2
-	paste.ExpireMinute = 10086
+	paste.ExpireSecond = 10086
 
 	assertNil(t, paste.Save())
 	assertNil(t, paste.Get(""))
@@ -31,15 +31,17 @@ func TestTemporaryGet(t *testing.T) {
 }
 
 func TestTemporaryAutoDelete(t *testing.T) {
+	var expireSecond uint64 = 1
+
 	paste := Temporary{AbstractPaste: &AbstractPaste{}}
 	paste.ExpireCount = 10086
-	paste.ExpireMinute = 1
+	paste.ExpireSecond = expireSecond
 
 	assertNil(t, paste.Save())
 	assertNil(t, paste.Get(""))
 	key := paste.Key
 	paste.Key = "a1b2c3d4"
-	time.Sleep(time.Minute*1 + time.Second)
+	time.Sleep(time.Second * time.Duration(expireSecond + 1))
 	assertEqual(t, false, exist(key, &paste))
 	assertEqual(t, gorm.ErrRecordNotFound, (&Temporary{AbstractPaste: &AbstractPaste{Key: key}}).Get(""))
 }
@@ -53,7 +55,7 @@ func TestTemporaryConcurrentGet(t *testing.T) {
 
 	paste := Temporary{AbstractPaste: &AbstractPaste{}}
 	paste.ExpireCount = expireCount
-	paste.ExpireMinute = 1
+	paste.ExpireSecond = 300
 	assertNil(t, paste.Save())
 
 	key := paste.Key
diff --git a/router/router_test.go b/router/router_test.go
index baf7fc7..1f0d542 100644
--- a/router/router_test.go
+++ b/router/router_test.go
@@ -91,7 +91,7 @@ func makeCreateTestCase() (result map[string]*testCase) {
 
 			if pasteType == "temporary" {
 				result[name].param["self_destruct"] = true
-				result[name].param["expire_minute"] = 5
+				result[name].param["expire_second"] = 5
 				result[name].param["expire_count"] = 1
 			}
 		}