diff --git a/www/res/js/modules/usimp.js b/www/res/js/modules/usimp.js
index 6c65e43..016dda8 100644
--- a/www/res/js/modules/usimp.js
+++ b/www/res/js/modules/usimp.js
@@ -234,8 +234,12 @@ export class Session {
             }).then(response => {
                 return response.json();
             }).then(response => {
-                func(response);
                 this.subscribe(func);
+                func(response);
+            }).catch(() => {
+                setTimeout(() => {
+                    this.subscribe(func);
+                }, 1000);
             });
         }
     }