diff --git a/Assets/PerfectWorld/Scripts/Network/CSNetwork/GPDataType.cs b/Assets/PerfectWorld/Scripts/Network/CSNetwork/GPDataType.cs
index 2d8f7303d7..7c4309dd6e 100644
--- a/Assets/PerfectWorld/Scripts/Network/CSNetwork/GPDataType.cs
+++ b/Assets/PerfectWorld/Scripts/Network/CSNetwork/GPDataType.cs
@@ -906,7 +906,7 @@ namespace CSNetwork.GPDataType
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
     public struct cmd_matter_info_list
     {
-        public int count;
+        public ushort count;
         public info_matter Info;
     }
     [StructLayout(LayoutKind.Sequential, Pack = 1)]