Merge branch 'master' into pre

xim/index.ts

@@ -145,13 +145,13 @@ class Chat {
         if (xim.isConnected()) {
         if (xim.isConnected()) {
             return Promise.resolve(uri);
             return Promise.resolve(uri);
         }
         }
-        return new Promise<void>((resolve) => {
-            xim.open(uri, this.token).finally(() => {
+        return new Promise<void>((resolve, reject) => {
+            xim.open(uri, this.token).catch(reject).finally(() => {
                 this.registerXimEvent();
                 this.registerXimEvent();
                 if (xim.isConnected()) {
                 if (xim.isConnected()) {
                     resolve();
                     resolve();
                 } else {
                 } else {
-                    setTimeout(() => resolve(), 2000);
+                    reject(new Error(`xim is not connected`));
                 }
                 }
             });
             });
         });
         });