update xchat-client

package.json

@@ -6,6 +6,6 @@
         "qs": "^6.9.3",
         "qs": "^6.9.3",
         "sha1": "^1.1.1",
         "sha1": "^1.1.1",
         "vuex-class": "^0.3.2",
         "vuex-class": "^0.3.2",
-        "xchat-client": "2.1.9"
+        "xchat-client": "2.2.0"
     }
     }
 }
 }