diff --git a/Documentations/3-ir-gen/README.md b/Documentations/3-ir-gen/README.md
index fa55824859608105a856cddb25de4ac4f20bab1c..1e7fac7653e7578433adf40aa6ce9e6c8f755998 100644
--- a/Documentations/3-ir-gen/README.md
+++ b/Documentations/3-ir-gen/README.md
@@ -130,8 +130,7 @@ cminusfc test.cminus
 ├── Reports
 │   ├── ...
 │   └── 3-ir-gen
-│       ├── report.md                   <- lab3 所需提交的实验报告，请详细说明你们的设计（需要上交）
-│       └── contribution.md             <- lab3 所需提交的队员贡献信息（需要上交）
+│       └── report.md                   <- lab3 所需提交的实验报告，请详细说明你们的设计（需要上交）
 ├── src
 │   ├── ...
 │   └── cminusfc
diff --git a/README.md b/README.md
index dd9fe8881feda049c9aa847965d00d347610dc6f..9e8d7699446fd1b1a60767c9577c67f98c76d58e 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@
 * [lab2](./Documentations/2-ir-gen-warmup/)
   + DDL：2022-10-23 23:59:59 (UTC+8)
 
-* [lab2](./Documentations/3-ir-gen/)
+* [lab3](./Documentations/3-ir-gen/)
   + DDL：2022-11-07 23:59:59 (UTC+8)
 
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