diff --git a/src/EngineEntrance.js b/src/EngineEntrance.js
index 4a965a3..9536a16 100644
--- a/src/EngineEntrance.js
+++ b/src/EngineEntrance.js
@@ -62,7 +62,7 @@ export default class MessageEntrance extends Emiter {
   constructor() {
     super();
     //sdk 信息
-    GlobalConfig.sdkVersion = "v2.18.14.20171020";
+    GlobalConfig.sdkVersion = "v2.18.15.20171020";
     loger.warn("sdkVersion:" + GlobalConfig.sdkVersion);
 
     //设置
@@ -643,10 +643,10 @@ export default class MessageEntrance extends Emiter {
     //loger.log("autoLoginMd5", GlobalConfig.classId, GlobalConfig.userId, GlobalConfig.userRole);
     let autoLoginMd5 = MD5("" + GlobalConfig.classId + GlobalConfig.userId + GlobalConfig.userRole);
     //loger.log("joinClass-GlobalConfig.autoLogin", GlobalConfig.autoLogin, "autoLoginMd5-", autoLoginMd5);
-    if (GlobalConfig.autoLogin && autoLoginMd5 == GlobalConfig.autoLogin) {
+    if (GlobalConfig.autoLogin && autoLoginMd5 == GlobalConfig.autoLogin||GlobalConfig.isInvisible) {
       // MD5(classId+userId+userRole)==m
       //自动登录，跳过验证流程
-      loger.log("自动登录");
+      loger.log("自动登录->"+GlobalConfig.userRole);
       this._sassJoinSuccessHandler();
     } else {
       //不能自动登录，开始校验
diff --git a/src/apes/WebRtcApe.js b/src/apes/WebRtcApe.js
index 5a86d01..f955883 100644
--- a/src/apes/WebRtcApe.js
+++ b/src/apes/WebRtcApe.js
@@ -360,7 +360,7 @@ class WebRtcApe extends Emiter {
       }else {
         this.videoResolution="360P_8";
       }
-    }if(GlobalConfig.isInvisible){
+    }else if(GlobalConfig.isInvisible){
       this.videoResolution="120P";
     }else {
       this.videoResolution="240P";