2 年之前 · 59c2b3dfd1
--- a/docs/lessons02.md
+++ b/docs/lessons02.md
@@ -45,7 +45,7 @@
 
				 
			
 
				 ```mermaid
			
 
				 flowchart LR
			
 
				-    subgraph chan
			
 
				+    subgraph channel
			
 
				         mutex
			
 
				         in
			
 
				         out