空指针错误

@@ -9,64 +9,65 @@ let loger = Loger.getLoger('SystemConfig');
 class SystemConfig {
   constructor() {
 
-  }
-  //获取系统信息
-  static getSystemInfo(){
-    //检查是否是移动端
-    GlobalConfig.isMobile = mdetect.isMobileUA();
-    if (GlobalConfig.isMobile) {
-      loger.warn("当前设备是移动设备");
-    } else {
-      loger.warn("当前设备是PC");
-    }
-    if(mdetect.isIOS()){
-      GlobalConfig.deviceType=1;//"ios";
-    } if(mdetect.isAndroid()){
-      GlobalConfig.platform=2;//"android";
-    }else {
-      GlobalConfig.platform=0;//"pc";
     }
+    //获取系统信息
+  static getSystemInfo() {
+      //检查是否是移动端
+      GlobalConfig.isMobile = mdetect.isMobileUA();
+      if (GlobalConfig.isMobile) {
+        loger.warn("当前设备是移动设备");
+      } else {
+        loger.warn("当前设备是PC");
+      }
+      if (mdetect.isIOS()) {
+        GlobalConfig.deviceType = 1; //"ios";
+      }
+      if (mdetect.isAndroid()) {
+        GlobalConfig.platform = 2; //"android";
+      } else {
+        GlobalConfig.platform = 0; //"pc";
+      }
 
-    //语言
-    GlobalConfig.language ="unknown";
-    if(navigator){
-      let language=navigator.language || navigator.browserLanguage;
-      GlobalConfig.language = language.toLocaleLowerCase();
-    }
-    let browserInfo=this.getBrowserInfo();
-    GlobalConfig.explorer=browserInfo.explorer||"未知";
-    GlobalConfig.explorerVersion=browserInfo.explorerVersion||"未知";
+      //语言
+      GlobalConfig.language = "unknown";
+      if (navigator) {
+        let language = navigator.language || navigator.browserLanguage;
+        GlobalConfig.language = language.toLocaleLowerCase();
+      }
+      let browserInfo = this.getBrowserInfo();
+      GlobalConfig.explorer = browserInfo.explorer || "未知";
+      GlobalConfig.explorerVersion = browserInfo.explorerVersion || "未知";
 
-    GlobalConfig.os=this.detectOS();
-    loger.log("deviceType:"+GlobalConfig.deviceType);
-    loger.log("language:"+GlobalConfig.language);
-    loger.log("explorer:"+GlobalConfig.explorer);
-    loger.log("explorerVersion:"+GlobalConfig.explorerVersion);
-    loger.log("os:"+GlobalConfig.os);
-  }
-  //获取浏览器和信息
-  static getBrowserInfo(){
-    var Sys = {};
-    var ua = navigator.userAgent.toLowerCase();
-    var re =/(trident|msie|firefox|chrome|opera|version).*?([\d.]+)/;
-    var m = ua.match(re);
-    Sys.explorer = m[1].replace(/version/, "'safari");
-
-    //判断是否是IE11
-    if(Sys.explorer=="trident"){
-      Sys.explorer="IE11"
-      Sys.explorerVersion = "11.0";
-    }else  if(Sys.explorer=="msie"){
-      //IE
-      Sys.explorer="IE"
-      Sys.explorerVersion = m[2];
-    }else {
-      //非IE
-      Sys.explorerVersion = m[2];
+      GlobalConfig.os = this.detectOS();
+      loger.log("deviceType:" + GlobalConfig.deviceType);
+      loger.log("language:" + GlobalConfig.language);
+      loger.log("explorer:" + GlobalConfig.explorer);
+      loger.log("explorerVersion:" + GlobalConfig.explorerVersion);
+      loger.log("os:" + GlobalConfig.os);
     }
-    return Sys;
-  }
-  //系统信息
+    //获取浏览器和信息
+  static getBrowserInfo() {
+      var Sys = {};
+      var ua = navigator.userAgent.toLowerCase();
+      var re = /(trident|msie|firefox|chrome|opera|version).*?([\d.]+)/;
+      var m = ua.match(re);
+      if (!m) m = ["version/1.0.0", "version", "1.0.0"];
+      Sys.explorer = m[1].replace(/version/, "'safari");
+      //判断是否是IE11
+      if (Sys.explorer == "trident") {
+        Sys.explorer = "IE11"
+        Sys.explorerVersion = "11.0";
+      } else if (Sys.explorer == "msie") {
+        //IE
+        Sys.explorer = "IE"
+        Sys.explorerVersion = m[2];
+      } else {
+        //非IE
+        Sys.explorerVersion = m[2];
+      }
+      return Sys;
+    }
+    //系统信息
   static detectOS() {
     var sUserAgent = navigator.userAgent;
     var isWin = (navigator.platform == "Win32") || (navigator.platform == "Windows");
@@ -83,7 +84,7 @@ class SystemConfig {
       if (isWinXP) return "WinXP";
       var isWin2003 = sUserAgent.indexOf("Windows NT 5.2") > -1 || sUserAgent.indexOf("Windows 2003") > -1;
       if (isWin2003) return "Win2003";
-      var isWinVista= sUserAgent.indexOf("Windows NT 6.0") > -1 || sUserAgent.indexOf("Windows Vista") > -1;
+      var isWinVista = sUserAgent.indexOf("Windows NT 6.0") > -1 || sUserAgent.indexOf("Windows Vista") > -1;
       if (isWinVista) return "WinVista";
       var isWin7 = sUserAgent.indexOf("Windows NT 6.1") > -1 || sUserAgent.indexOf("Windows 7") > -1;
       if (isWin7) return "Win7";