update code

include/Proto/Trd_UnlockTrade.proto

@@ -0,0 +1,33 @@
+syntax = "proto2";
+package Trd_UnlockTrade;
+option java_package = "com.futu.openapi.pb";
+option go_package = "github.com/futuopen/ftapi4go/pb/trdunlocktrade";
+
+import "Common.proto";
+
+message C2S
+{
+	required bool unlock = 1; //true解锁交易，false锁定交易
+	optional string pwdMD5 = 2; //交易密码的MD5转16进制(全小写)，解锁交易必须要填密码，锁定交易不需要验证密码，可不填
+	optional int32 securityFirm = 3; //券商标识，取值见Trd_Common.SecurityFirm
+}
+
+message S2C
+{
+	
+}
+
+message Request
+{
+	required C2S c2s = 1;
+}
+
+message Response
+{
+	//以下3个字段每条协议都有，注释说明在InitConnect.proto中
+	required int32 retType = 1 [default = -400];
+	optional string retMsg = 2;
+	optional int32 errCode = 3;
+	
+	optional S2C s2c = 4;
+}