diff --git a/docs/README.md b/docs/README.md
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--- a/docs/README.md
+++ b/docs/README.md
@@ -8,9 +8,11 @@ In this project, a Frequency Downconverter (FDC) with RF input and 50ohm output
 
 ### Group Meeting
  - [First Group Meeting Record](groupmeeting/first_meeting.md)
+ - [Second Group Meeting Record](groupmeeting/Second_meeting.md)
 
 ### AA Meeting
  - [First AA Meeting Record](aameeting/first_meeting.md)
+ - [Second AA Meeting Record](aameeting/Second_meeting.md)
 
 
 ## Objective
diff --git a/docs/aameeting/Second_meeting.md b/docs/aameeting/Second_meeting.md
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@@ -0,0 +1,13 @@
+# Second AA Meeting
+>[x] ---06/02/2020 by Yidi Song     
+>[x] Participaants: Boyao Yang, Weizhou Wen, Yimian Liu, Yidi Song   
+>[x] Location: EE 5 floor AA office   
+
+## Ques
+ - LT5512 spice models
+ - the size and layers of PCB
+
+## Outline
+- 
+## Techninal Suggestions    
+- 
diff --git a/docs/checklist/first_lab.md b/docs/checklist/first_lab.md
index f7b7270..7c28274 100644
--- a/docs/checklist/first_lab.md
+++ b/docs/checklist/first_lab.md
@@ -5,11 +5,11 @@
 
 ### compulsory
 
-[] Write AA meeting record table and email to AA `Y Song`   
+[x] Write AA meeting record table and email to AA `Y Song`   
 [] Learn Markdown & Git `All`   
-[] Find all component models `B Yang`   
+[x] 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`   
+[x] 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`   
 
diff --git a/docs/groupmeeting/Second_meeting.md b/docs/groupmeeting/Second_meeting.md
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+# Sencond Group Meeting
+>[x] ---05/02/2020 by Yidi Song   
+>[x] Participaants: Boyao Yang, Weizhou Wen, Yimian Liu, Yidi Song   
+>[x] Location: Harold Cohen Library   
+
+
+## Setting goals   
+### Song:   
+    - Let all group members know the simple steps to record ideas and the information from group meeting and AA meeting.   
+    - Set new files about week 2’s meeting.   
+    - Write the meeting log before Thursday.   
+
+### Yang:   
+    - Drawing schematics    
+    - Circuit Simulation    
+    - Continue to learn the ways to use the software, including the way to design PCD.   
+
+### Liu:   
+    - Find the way to let the output impedance is 50 ohms.   
+
+### Wen:   
+   
+   
+## How are these goals being achieved   
+
+
+## What are the problems   
+
+
+## What are the problems should be asked for AA   
+
+## Tasks for next week   
diff --git a/proj/y2project/Sheet1.SchDoc b/proj/y2project/Sheet1.SchDoc
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