diff --git a/ocs/diag_note.md b/ocs/diag_note.md
index 5436354..a75ed97 100644
--- a/ocs/diag_note.md
+++ b/ocs/diag_note.md
@@ -3,15 +3,14 @@
     python3 ocsdiag.py -i 10.57.216.97 -e 8 -s all -c reg-wt -p highfreq_eq -v 0 
 
 2. 设置tia_peak 为 100，全局的lane 0和lane 3设置为0(最大)
-    python3 ocsdiag.py -i 10.57.216.97 -e 8 -s all -c reg-wt -p tia_peak -v 100
-    python3 ocsdiag.py -i 10.57.216.97 -e 8 -s all -l 0,3 -c reg-wt -p tia_peak -v 0
+    python3 ocsdiag.py -i 10.57.216.98 -e 8 -s all -c tia-peak-tune
 
 3. 校准ibias
-    python3 ocsdiag.py -i 10.57.216.97 -e 8 -s all -c ibias-auto-tune
+    python3 ocsdiag.py -i 10.57.216.98 -e 8 -s all -c ibias-auto-tune
 
 4. 校准mgc
-    python3 ocsdiag.py -i 10.57.216.97 -e 8 -c rtmr-prbs
-    python3 ocsdiag.py -i 10.57.216.97 -e 8 -s all -c mgc-auto-tune
+    python3 ocsdiag.py -i 10.57.216.98 -e 8 -c rtmr-prbs
+    python3 ocsdiag.py -i 10.57.216.98 -e 8 -s all -c mgc-auto-tune
 
 
 5. 查看retimer 误码情况