diff --git a/prometheus/main.go b/prometheus/main.go
index 8b2cd19..316d336 100644
--- a/prometheus/main.go
+++ b/prometheus/main.go
@@ -45,8 +45,9 @@ func init() {
 			logger = logger.WithField("body", content)
 
 			ok := false
+			token := strings.TrimSpace(strings.TrimPrefix(r.Header.Get("Authorization"), "Bearer "))
 			for _, hook := range hooks {
-				if request.ExternalURL != hook.Secret {
+				if token != hook.Secret {
 					continue
 				}
 				logger.Infof("run hook")