diff --git a/src/controllers/nft.controller.ts b/src/controllers/nft.controller.ts
index 28f321b..cdc994e 100644
--- a/src/controllers/nft.controller.ts
+++ b/src/controllers/nft.controller.ts
@@ -14,6 +14,7 @@ const nftList = sourceList.map(o => {
     projectName: o['Project'],
     link: o['Twitter'],
     collection: o['Collection name'],
+    group: o['GROUP'],
     guild: o['SERVER ID'] || DEFAULT_GUILD,
     role: o['ROLE ID'],
     tier: o['TIER'] == 'Tier 2' ? 2 : 1,
@@ -23,7 +24,7 @@ if (process.env.NODE_ENV !== 'production') {
   nftList.unshift({
     projectName: 'Test',
     link: 'https://x.com/sparky-chain',
-    contract: '0x50A8e60041A206AcaA5F844a1104896224be6F39',
+    contract: '0x50a8e60041a206acaa5f844a1104896224be6f39',
     collection: 'Test Collection',
     guild: '1222509817411665920',
     role: '1229658972793999391',
@@ -32,7 +33,16 @@ if (process.env.NODE_ENV !== 'production') {
 }
 const nftListStr = JSON.stringify(nftList)
 const nftMap = new Map()
-nftList.forEach(o => nftMap.set(o.contract.toLowerCase(), o))
+const groupMap = new Map()
+for (let o of nftList) {
+  nftMap.set(o.contract.toLowerCase(), o)
+  if (o.group) {
+    if (!groupMap.has(o.group)) {
+      groupMap.set(o.group, [])
+    }
+    groupMap.get(o.group).push(o)
+  }
+}
 /**
  * 合作伙伴相关接口
  */