SubstrateOrg · xuatseg · Sep 13, 2019 · Sep 13, 2019 · Sep 13, 2019 · Sep 20, 2019
diff --git a/PPT/第七课.pdf b/PPT/第七课.pdf
diff --git a/PPT/第三课答案.pdf b/PPT/第三课答案.pdf
diff --git a/PPT/第三课.pdf b/PPT/第三课.pdf
diff --git a/PPT/第二课答案.pdf b/PPT/第二课答案.pdf
diff --git a/PPT/第二课.pdf b/PPT/第二课.pdf
diff --git a/PPT/第五课答案.pdf b/PPT/第五课答案.pdf
diff --git a/PPT/第五课.pdf b/PPT/第五课.pdf
diff --git a/PPT/第六课.pdf b/PPT/第六课.pdf
diff --git a/PPT/第四课答案.pdf b/PPT/第四课答案.pdf
diff --git a/PPT/第四课.pdf b/PPT/第四课.pdf
diff --git a/projects/README.md b/projects/README.md
@@ -1,4 +1,5 @@
 * 1.本目录用来存放每节课的基准代码；
+> （每节课lesson-x文件夹更新时间为每周一和周五晚11:00之前，一般周一和周五上午就会更新）
 
 * 2.每上完一节课，需要从TeamX的master分支更新代码仓库到本地仓库；