diff --git a/ui/lib/js/observer.js b/ui/lib/js/observer.js
index b90e9bd7..8b58fd63 100644
--- a/ui/lib/js/observer.js
+++ b/ui/lib/js/observer.js
@@ -33,7 +33,7 @@ class Observer {
           if (res?.code == 0) {
             this.pending = []
           }
-        })
+        }).catch(() => this.cancelOB = true)
       }, 5000)
     }
   }
@@ -51,7 +51,7 @@ class Observer {
       this.addEventListener("readystatechange", function () {
         if (this.readyState === 4) {
           // 请求后拦截
-          Observer.saveLog({
+          !this.cancelOB && Observer.saveLog({
             url: args[1],
             status: this.status,
             method: args[0],