diff --git a/myconfig.py b/myconfig.py
index 2f3de3f..bf81f05 100644
--- a/myconfig.py
+++ b/myconfig.py
@@ -49,7 +49,7 @@ DEVICE = {
 REGISTER = {
         "slaveaddress"          :   1,
         "functioncode"          :   3,
-        "SNAddress"             :   10,   # 测试使用2980
+        "SNAddress"             :   10,   # 测试使用 viper 2980 oscar 2840
         "SNLen"                 :   5,
         "WLBeginAddress"        :  2102,  # 2100+2
         "DataBeginAddress"      :  2614,  # 2612+2