docs: 增加系统 UI API 子线程监控能力，并输出堆栈

Chapter7 - Geek Talk/7.3.md

@@ -10,7 +10,7 @@ http://blog.csdn.net/wirelessqa/article/details/20153689
 4. git remote add origin git@xx.xx.xx.xx:repos/xxx/xxx/xxx.git
 5. git push origin 本地分支:远程分支
   fatal: refusing to merge unrelated histories  
-  决办法：git pull origin master --allow-unrelated-histories
+  决办法：git pull origin main --allow-unrelated-histories
 
 
 
@@ -51,13 +51,13 @@ git add .gitattributes
 //8
 git commit -m '.gitattributes'
 //9
-git push origin master
+git push origin main
 //10
 git add /Users/liubinpeng/Desktop/Github/Company-Website-Pro/video/Company-Website-Pro.mov
 //11
 git commit -m 'video'
 //12
-git push origin master
+git push origin main
 
 ```