diff --git a/server/common/bcconst.js b/server/common/bcconst.js
index 5edf8f8..bb0a2e0 100644
--- a/server/common/bcconst.js
+++ b/server/common/bcconst.js
@@ -1,10 +1,10 @@
-const NONE_TYPE = 0;
-const HERO_TYPE = 1;
-const EQUIP_TYPE = 2;
-const CHIP_TYPE = 3;
-const BLIND_BOX_TYPE = 4;
-const FRAGMENT_TYPE = 5;
-const CLAIM_BOX_TYPE = 6;
+const BC_NFT_NONE = 0;
+const BC_NFT_HERO = 1;
+const BC_NFT_EQUIP = 2;
+const BC_NFT_CHIP = 3;
+const BC_NFT_BLIND_BOX = 4;
+const BC_NFT_FRAGMENT = 5;
+const BC_NFT_CLAIM_BOX = 6;
 
 const BC_FUNC_CREATION = 1;
 const BC_FUNC_GUILD = 3;
@@ -18,13 +18,13 @@ const BC_TRANS_FUNC_EVOLVE = 3;
 const BC_TRANS_FUNC_PLUGIN = 4;
 const BC_TRANS_FUNC_COMMON = 5;
 
-exports.NONE_TYPE = NONE_TYPE;
-exports.HERO_TYPE = HERO_TYPE;
-exports.EQUIP_TYPE = EQUIP_TYPE;
-exports.CHIP_TYPE = CHIP_TYPE;
-exports.BLIND_BOX_TYPE = BLIND_BOX_TYPE;
-exports.FRAGMENT_TYPE = FRAGMENT_TYPE;
-exports.CLAIM_BOX_TYPE = CLAIM_BOX_TYPE;
+exports.BC_NFT_NONE = BC_NFT_NONE;
+exports.BC_NFT_HERO = BC_NFT_HERO;
+exports.BC_NFT_EQUIP = BC_NFT_EQUIP;
+exports.BC_NFT_CHIP = BC_NFT_CHIP;
+exports.BC_NFT_BLIND_BOX = BC_NFT_BLIND_BOX;
+exports.BC_NFT_FRAGMENT = BC_NFT_FRAGMENT;
+exports.BC_NFT_CLAIM_BOX = BC_NFT_CLAIM_BOX;
 
 exports.BC_FUNC_CREATION = BC_FUNC_CREATION;
 exports.BC_FUNC_GUILD = BC_FUNC_GUILD;