diff --git a/_data/chains/eip155-1319.json b/_data/chains/eip155-1319.json
new file mode 100644
index 00000000..ade5c278
--- /dev/null
+++ b/_data/chains/eip155-1319.json
@@ -0,0 +1,25 @@
+{
+  "name": "Aitd Mainnet",
+  "chain": "AITD",
+  "icon": "aitd",
+  "rpc": [
+    "http://walletrpc.aitd.io",
+    "http://node.aitd.io"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "AITD Mainnet",
+    "symbol": "AITD",
+    "decimals": 18
+  },
+  "infoURL": "https://www.aitd.io/",
+  "shortName": "aitd",
+  "chainId": 1319,
+  "networkId": 1319,
+
+  "explorers": [{
+    "name": "AITD Chain Explorer Mainnet",
+    "url": "https://aitd-explorer-new.aitd.io",
+    "standard": "EIP3091"
+  }]
+}
diff --git a/_data/chains/eip155-239.json b/_data/chains/eip155-1320.json
similarity index 68%
rename from _data/chains/eip155-239.json
rename to _data/chains/eip155-1320.json
index aa936059..12e85676 100644
--- a/_data/chains/eip155-239.json
+++ b/_data/chains/eip155-1320.json
@@ -14,13 +14,13 @@
     "decimals": 18
   },
   "infoURL": "https://www.aitd.io/",
-  "shortName": "AITD",
-  "chainId": 239,
-  "networkId": 239,
+  "shortName": "aitdtestnet",
+  "chainId": 1320,
+  "networkId": 1320,
 
   "explorers": [{
-    "name": "AITD Chain Explorer",
-    "url": "https://aitd-explorer-pre.aitdcoin.com",
+    "name": "AITD Chain Explorer Testnet",
+    "url": "https://block-explorer-testnet.aitd.io",
     "standard": "EIP3091"
   }]
 }