fix: wechat verify

backend/providers/wechat/wechat.go

@@ -39,6 +39,9 @@ type Client struct {
 	appSecret string
 	token     string
 	aesKey    string
+
+	verifyKey   string
+	verifyValue string
 }
 
 func New(options ...Options) *Client {
@@ -53,6 +56,13 @@ func New(options ...Options) *Client {
 	return we
 }
 
+func (we *Client) VerifySite(key string) (string, error) {
+	if key == we.verifyKey {
+		return we.verifyValue, nil
+	}
+	return "", errors.New("verify failed")
+}
+
 func (we *Client) Verify(signature, timestamp, nonce string) error {
 	params := []string{signature, timestamp, nonce, we.token}
 	sort.Strings(params)