diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 47f1310..5336642 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,10 +39,6 @@ jobs:
         uses: actions/setup-go@v3
         with:
           go-version: 1.18
-      - name: Check snapshot
-        if: "!startsWith(github.ref, 'refs/tags/')"
-        id: snapshot
-        run: echo '::set-output name=ARG::--snapshot'
 
       - name: Build binary file
         env:
@@ -54,7 +50,7 @@ jobs:
           if [ $GOOS = "windows" ]; then export BINARY_SUFFIX="$BINARY_SUFFIX.exe"; fi
           if $IS_PR ; then echo $PR_PROMPT; fi
           export BINARY_NAME="$BINARY_PREFIX$GOOS_$GOARCH$BINARY_SUFFIX"
-          export LD_FLAGS="-w -s -X main.VERSION=${{steps.snapshot.outputs.ARG}}"
+          export LD_FLAGS="-w -s -X main.VERSION=unknown"
           go mod tidy
           go build -o "output/$BINARY_NAME" -trimpath -ldflags "$LD_FLAGS" ./
       - name: Upload artifact
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e7ef2b3..7e6da7c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: '1.17.2'
+          go-version: '1.18'
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
diff --git a/model/user.go b/model/user.go
index 7e73a31..e18a3f9 100644
--- a/model/user.go
+++ b/model/user.go
@@ -3,12 +3,10 @@
 package model
 
 import (
-	"math/rand"
 	"net/http"
 	"sync"
 	"time"
 
-	"github.com/imroc/req/v3"
 	"github.com/playwright-community/playwright-go"
 	log "github.com/sirupsen/logrus"
 
@@ -209,8 +207,6 @@ func AddUser(user *User) error {
  * @return error
  */
 func UpdateUser(user *User) error {
-	lock.Lock()
-	defer lock.Unlock()
 	ping()
 	_, err := db.Exec("update user set token=?,login_time=?,push_id=?,status=1 where uid = ?", user.Token, user.LoginTime, user.PushId, user.UID)
 	if err != nil {
@@ -311,7 +307,7 @@ func check() {
 	for {
 		users, _ := Query()
 		for _, user := range users {
-			response, _ := req.R().SetCookies(user.ToCookies()...).Get("https://pc-api.xuexi.cn/open/api/auth/check")
+			response, _ := utils.GetClient().R().SetCookies(user.ToCookies()...).Get("https://pc-api.xuexi.cn/open/api/auth/check")
 			token := ""
 			for _, cookie := range response.Cookies() {
 				if cookie.Name == "token" {
@@ -321,8 +317,9 @@ func check() {
 			if token != "" {
 				user.Token = token
 				_ = UpdateUser(user)
+				log.Infoln("用户" + user.Nick + "的ck已成功保活cookie")
 			}
 		}
-		time.Sleep(time.Hour * time.Duration(rand.Intn(2)+1))
+		time.Sleep(time.Hour * time.Duration(2))
 	}
 }
diff --git a/utils/update/update.go b/utils/update/update.go
index 5b45c5d..c702aa7 100644
--- a/utils/update/update.go
+++ b/utils/update/update.go
@@ -87,6 +87,13 @@ func versionCompare(nowVersion, lastVersion string) bool {
 	if nowMainIntVersion < lastMainIntVersion {
 		return true
 	}
+	if strings.Contains(nowVersion, "SNAPSHOT") {
+		if nowMainIntVersion == lastMainIntVersion {
+			return false
+		} else {
+			return true
+		}
+	}
 	// 如果最新版本是beta
 	if LastBeta {
 		// 如果当前版本也是beta