diff --git a/docs/checklist/first_lab.md b/docs/checklist/first_lab.md
index 6a47dec..f7b7270 100644
--- a/docs/checklist/first_lab.md
+++ b/docs/checklist/first_lab.md
@@ -5,19 +5,19 @@
 
 ### compulsory
 
-[] Write AA meeting record table and email to AA   
-[] Learn Markdown & Git   
-[] Find all component models   
-[] Build all component models that not provided   
-[] Finish the circuit except the BPF and impedance   
-[] Simulate to get the BPF band range   
-[] Design BPF and insert to circuit   
+[] Write AA meeting record table and email to AA `Y Song`   
+[] Learn Markdown & Git `All`   
+[] Find all component models `B Yang`   
+[] Build all component models that not provided `B Yang`   
+[] Finish the circuit except the BPF and impedance `B Yang`   
+[] Simulate to get the BPF band range `B Yang, Y Liu`   
+[] Design BPF and insert to circuit `Y Liu`   
 
 --------------
 
 ### optional
 
-[] Simulate the circuit and evaluate the result   
-[] Design the circuit to be 50ohms   
-[] Simulate the circuit   
-[] check and order the components we need   
+[] Simulate the circuit and evaluate the result `Y Liu`   
+[] Design the circuit to be 50ohms `W Wen`   
+[] Simulate the circuit `W Wen`   
+[] check and order the components we need `Y Liu`