更新内容：1. SDK.Login接口新增scene字段，返回当前用户进入游戏场景值

          2. 针对wx.login接口失败做出优化处理
          3. 增加线上白名单调试功能

SDK.ts

 /**
  * 鲸鱼游戏微信小游戏接入库
  * @author 推广技术部
- * @time: 2020-04-15
+ * @time: 2020-07-08
  */
 class WechatSDK {
     private sdkVersion: string = '2.5.4'
@@ -72,36 +72,38 @@ class WechatSDK {
     public async Login() {
         const _selt = this;
         let res = await _selt._login()  // 微信登录换取code
-        let loginPostData = _selt.deepCopy({}, _selt.sdkParams, {  // 拼上appid和code
-            appid: SDKConfig.appid,
-            code: res.code
-        })
-        let { code, data, msg } = await _selt.sdkRequest(Links.init, loginPostData).catch(err => {
-            _selt.sdkAlert("SDK登录异常,重连中...");
-            _selt.Login()
-        });
-        if (code == 0) {
-            _selt.ReportParams.openId = _selt.sdkParams.open_id = _selt.sdkParams.uniqueid = _selt.heartParams.uuid = data.openid;
-            _selt.sdkParams.session_key = data.session_key;
-            // 调试白名单,SDK后台管理
-            if (typeof(data.debug_mode) != "undefined" && data.debug_mode == 1) {
-                console.log('--进入调试白名单.');
-                (wx as any).setEnableDebug({
-                    enableDebug: true
-                })
-            }
-            if (_selt.actId) {
-                let shareInfo = {
-                    activity_id: _selt.actId,
-                    target_state: 0,
-                    version_type: SDKConfig.navPayEnv
-                };
-                _selt.updateShareMsgInfo(shareInfo);
+        if (res.code) {
+            let { code, data, msg } = await _selt.sdkRequest(Links.init, {
+                product_code: _selt.sdkParams.product_code,
+                source: _selt.sdkParams.source,
+                appid: SDKConfig.appid,
+                code: res.code
+            });
+            if (code == 0) {
+                _selt.ReportParams.openId = _selt.sdkParams.open_id = _selt.sdkParams.uniqueid = _selt.heartParams.uuid = data.openid;
+                _selt.sdkParams.session_key = data.session_key;
+                // 调试白名单,SDK后台管理
+                if (typeof (data.debug_mode) != "undefined" && data.debug_mode == 1) {
+                    console.log('--进入调试白名单.');
+                    (wx as any).setEnableDebug({
+                        enableDebug: true
+                    })
+                }
+                if (_selt.actId) {
+                    let shareInfo = {
+                        activity_id: _selt.actId,
+                        target_state: 0,
+                        version_type: SDKConfig.navPayEnv
+                    };
+                    _selt.updateShareMsgInfo(shareInfo);
+                }
+            } else {
+                _selt.sdkAlert(msg);
             }
-        } else {
-            _selt.sdkAlert(msg);
+            return _selt.sdkActive()
+        } else { // 失败状态下执行重登
+            _selt.Login()
         }
-        return _selt.sdkActive()
     }
     // SDK激活
     private async sdkActive() {
@@ -136,6 +138,7 @@ class WechatSDK {
             LoginCallBack = _selt.deepCopy(LoginCallBack, data, {
                 os: _selt.sdkParams.os,  // 返回系统类型IOS或者android
                 session_key: _selt.sdkParams.session_key,  // 返回session_key
+                scene: _selt.ReportParams.sceneId // 用户来源场景值
             })
         } else {
             const params = {
@@ -514,6 +517,7 @@ class WechatSDK {
         })
     }
     private _login(): Promise<any> {
+        const _selt = this;
         return new Promise((resolve, reject) => {
             try {
                 (wx as any).login({
@@ -531,7 +535,9 @@ class WechatSDK {
                         console.log("--SDK执行登录,微信返回数据：", res);
                     }
                 });
-            } catch (err) { }
+            } catch (err) {
+                _selt.sdkAlert("微信登录接口返回失败");
+            }
         });
     }
     // 退出小游戏