diff --git a/server/model/monitor.js b/server/model/monitor.js
index ffa4c4540b..b5e58c5746 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -400,7 +400,7 @@ class Monitor extends BeanModel {
                             bean.msg += ", keyword is found";
                             bean.status = UP;
                         } else {
-                            data = data.replace(/<[^>]*>?|[\n\r]|\s+/gm, " ");
+                            data = data.replace(/<[^>]*>?|[\n\r]|\s+/gm, " ").trim();
                             if (data.length > 50) {
                                 data = data.substring(0, 47) + "...";
                             }