修正基本认证解码方式；添加查询 channels 接口

web/handlers/auth.go

@@ -152,7 +152,7 @@ func protect(c *fiber.Ctx, grant s.OauthGrantType, clientId, clientSecret string
 	if header != "" {
 		basic := strings.TrimPrefix(header, "Basic ")
 		if basic != "" {
-			base, err := base64.URLEncoding.DecodeString(basic)
+			base, err := base64.RawURLEncoding.DecodeString(basic)
 			if err != nil {
 				return nil, err
 			}