diff --git a/server/common/bcconst.js b/server/common/bcconst.js
index 88a401c..09ac9ba 100644
--- a/server/common/bcconst.js
+++ b/server/common/bcconst.js
@@ -12,6 +12,7 @@ const BC_FUNC_GUILD = 3;
 const BC_FUNC_BLIND_BOX = 5;
 const BC_FUNC_PRESENT = 6;
 const BC_FUNC_COMMON = 7;
+const BC_FUNC_AIRDROP = 8;
 
 const BC_TRANS_FUNC_ACTIVATE = 1;
 const BC_TRANS_FUNC_MINT_SHARD = 2;
@@ -33,6 +34,7 @@ exports.BC_FUNC_GUILD = BC_FUNC_GUILD;
 exports.BC_FUNC_BLIND_BOX = BC_FUNC_BLIND_BOX;
 exports.BC_FUNC_PRESENT = BC_FUNC_PRESENT;
 exports.BC_FUNC_COMMON = BC_FUNC_COMMON;
+exports.BC_FUNC_AIRDROP = BC_FUNC_AIRDROP;
 
 exports.BC_TRANS_FUNC_ACTIVATE = BC_TRANS_FUNC_ACTIVATE;
 exports.BC_TRANS_FUNC_MINT_SHARD = BC_TRANS_FUNC_MINT_SHARD;