diff --git a/makedown/optimization.md b/makedown/optimization.md
index b948b89a..60cee889 100644
--- a/makedown/optimization.md
+++ b/makedown/optimization.md
@@ -953,6 +953,7 @@ message ReqReadMail{
 message ResReadMail{
  RES_CODE Code = 1;
  string Msg = 2;
+ int32 Id = 3;
 }
 
 // 领取邮件
@@ -963,6 +964,7 @@ message ReqGetMailReward{
 message ResGetMailReward{
  RES_CODE Code = 1;
  string Msg = 2;
+ int32 Id = 3;
 }
 
 // 删除邮件
@@ -973,6 +975,7 @@ message ReqDeleteMail{
 message ResDeleteMail{
  RES_CODE Code = 1;
  string Msg = 2;
+ int32 Id = 3;
 }
 
 ```
diff --git a/proto/Gameapi.proto b/proto/Gameapi.proto
index 2d600c37..5121cd01 100644
--- a/proto/Gameapi.proto
+++ b/proto/Gameapi.proto
@@ -3005,6 +3005,7 @@ message ReqReadMail{
 message ResReadMail{
 	RES_CODE Code = 1;
 	string Msg = 2;
+	int32 Id = 3;
 }
 
 // 领取邮件
@@ -3015,6 +3016,7 @@ message ReqGetMailReward{
 message ResGetMailReward{
 	RES_CODE Code = 1;
 	string Msg = 2;
+	int32 Id = 3;
 }
 
 // 删除邮件
@@ -3025,6 +3027,7 @@ message ReqDeleteMail{
 message ResDeleteMail{
 	RES_CODE Code = 1;
 	string Msg = 2;
+	int32 Id = 3;
 }
 
 // 充值