diff --git a/.VERSION.un~ b/.VERSION.un~
new file mode 100644
index 00000000..95d07264
Binary files /dev/null and b/.VERSION.un~ differ
diff --git a/VERSION b/VERSION
index e69de29b..b0c2058e 100644
--- a/VERSION
+++ b/VERSION
@@ -0,0 +1 @@
+v0.5.2
diff --git a/VERSION~ b/VERSION~
new file mode 100644
index 00000000..e69de29b
diff --git a/common/email.go.bak b/common/email.go.bak
new file mode 100644
index 00000000..74f4cccd
--- /dev/null
+++ b/common/email.go.bak
@@ -0,0 +1,67 @@
+package common
+
+import (
+	"crypto/tls"
+	"encoding/base64"
+	"fmt"
+	"net/smtp"
+	"strings"
+)
+
+func SendEmail(subject string, receiver string, content string) error {
+	if SMTPFrom == "" { // for compatibility
+		SMTPFrom = SMTPAccount
+	}
+	encodedSubject := fmt.Sprintf("=?UTF-8?B?%s?=", base64.StdEncoding.EncodeToString([]byte(subject)))
+	mail := []byte(fmt.Sprintf("To: %s\r\n"+
+		"From: %s<%s>\r\n"+
+		"Subject: %s\r\n"+
+		"Content-Type: text/html; charset=UTF-8\r\n\r\n%s\r\n",
+		receiver, SystemName, SMTPFrom, encodedSubject, content))
+	auth := smtp.PlainAuth("", SMTPAccount, SMTPToken, SMTPServer)
+	addr := fmt.Sprintf("%s:%d", SMTPServer, SMTPPort)
+	to := strings.Split(receiver, ";")
+	var err error
+	if SMTPPort == 465 {
+		tlsConfig := &tls.Config{
+			InsecureSkipVerify: true,
+			ServerName:         SMTPServer,
+		}
+		conn, err := tls.Dial("tcp", fmt.Sprintf("%s:%d", SMTPServer, SMTPPort), tlsConfig)
+		if err != nil {
+			return err
+		}
+		client, err := smtp.NewClient(conn, SMTPServer)
+		if err != nil {
+			return err
+		}
+		defer client.Close()
+		if err = client.Auth(auth); err != nil {
+			return err
+		}
+		if err = client.Mail(SMTPFrom); err != nil {
+			return err
+		}
+		receiverEmails := strings.Split(receiver, ";")
+		for _, receiver := range receiverEmails {
+			if err = client.Rcpt(receiver); err != nil {
+				return err
+			}
+		}
+		w, err := client.Data()
+		if err != nil {
+			return err
+		}
+		_, err = w.Write(mail)
+		if err != nil {
+			return err
+		}
+		err = w.Close()
+		if err != nil {
+			return err
+		}
+	} else {
+		err = smtp.SendMail(addr, auth, SMTPAccount, to, mail)
+	}
+	return err
+}
diff --git a/one-api b/one-api
new file mode 100755
index 00000000..697ddfc3
Binary files /dev/null and b/one-api differ
diff --git a/web/src/components/LoginForm.js b/web/src/components/LoginForm.js
index 110dad46..c5492145 100644
--- a/web/src/components/LoginForm.js
+++ b/web/src/components/LoginForm.js
@@ -29,7 +29,7 @@ const LoginForm = () => {
     }
   }, []);
 
-  const [showWeChatLoginModal, setShowWeChatLoginModal] = useState(false);
+  const [showWeChatLoginModal, setShowWeChatLoginModal] = useState(true);
 
   const onGitHubOAuthClicked = () => {
     window.open(