edit readme.md

 #所有服务
 
-##在线授课生产服务器列表
+###在线授课生产服务器列表
 
 * 192.168.1.10, 121.43.189.101
 * 192.168.1.9, 120.27.228.85
@@ -8,7 +8,7 @@
 
 测试服务器：123.56.13.168
 
-##teaching-service
+###teaching-service
 
 >在线授课主项目
 
@@ -26,7 +26,7 @@ log地址：/var/log/teaching-service.log
 
 tomcat access_log 目录：/var/log/teaching-service/access_log.2017-02-10.log
 
-##boxfish-push
+###boxfish-push
 
 >极光推送服务
 
@@ -43,7 +43,7 @@ tomcat access_log 目录：/var/log/teaching-service/access_log.2017-02-10.log
 log地址：/var/log/boxfish-push.log
 
 
-##boxfish-sig
+###boxfish-sig
 
 >腾讯云签名程序
 
@@ -60,12 +60,12 @@ log地址：/var/log/boxfish-push.log
 log地址：/var/log/sig.log
 
 
-##teaching-service-wiki
+###teaching-service-wiki
 
 >wiki项目
 
 
-##teaching-service-task
+###teaching-service-task
 
 >定时任务项目
 
@@ -84,6 +84,46 @@ log地址：
 
 #常用日志操作命令
 
+```
+//统计12938在日志中出现的次数
 cat /var/log/teaching-service.log |grep "12938" |wc -l
 
-tail -1000f /var/log/teaching-service.log
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+tail -1000f /var/log/teaching-service.log
+```
+
+
+
+
+----------------------------------------
+
+----------------------------------------
+
+----------------------------------------
+
+#推送相关问题
+
+> 极光推送api文档：http://docs.jiguang.cn/jpush/server/push/rest_api_v3_push/
+> 
+> 极光github地址：https://github.com/jpush/jpush-api-java-client
+> 
+> https://www.qcloud.com/document/product/269/4029
+
+1 根据registrationId推送涉及到的相关数据库表
+
+    bebase.user_has_device_lzx
+    
+    bebase.token
+    
+
+```
+//根据用户id查询到 `device_id`
+SELECT * FROM bebase.user_has_device_lzx where holder_id=80738
+
+//再根据 `device_id` 即可查到 `token`,即 `registrationId `
+SELECT * FROM bebase.token where device_id = '4028818b584857870158486fc95b0026'
+
+```
+
+#配置报警邮件
+
+在teaching-service项目`com.boxfishedu.teachingservice.exception.QcloudExceptionHandler` 类中修改接收邮件的邮箱
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