diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index 486c2f22..7d9896f0 100644
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -263,6 +263,7 @@ enum PropertyType_e
 {
     kPropHp = 1,
     kPropMaxHp = 2,
+    kPropVolume = 3,
     kPropSkillLeftTime_ = 4,
     kPropSkillCd = 5,
     kPropTankBulletNum = 6,
diff --git a/server/tools/protobuild/cs_proto.proto b/server/tools/protobuild/cs_proto.proto
index ea0dc66b..a53c37ea 100755
--- a/server/tools/protobuild/cs_proto.proto
+++ b/server/tools/protobuild/cs_proto.proto
@@ -113,6 +113,7 @@ message MFVec3
   property_type: 2 最大血量
   property_type: 3 库存
      property_subtype: 库存数组索引
+     valule: 当前数量
   property_type: 4 技能cd时间（剩余时间）
   property_type: 5 技能cd时间（总时间）
   property_type: 6 载具剩余子弹数