diff --git a/_data/chains/eip155-100000.json b/_data/chains/eip155-100000.json
new file mode 100644
index 00000000..fdce1bc0
--- /dev/null
+++ b/_data/chains/eip155-100000.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Mainnet Root",
+  "chain": "QuarkChain",
+  "network": "mainnet",
+  "rpc": [
+    "http://jrpc.mainnet.quarkchain.io:38391/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-r",
+  "chainId": 100000,
+  "networkId": 100000
+}
diff --git a/_data/chains/eip155-100001.json b/_data/chains/eip155-100001.json
new file mode 100644
index 00000000..bdeb2c9d
--- /dev/null
+++ b/_data/chains/eip155-100001.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Mainnet Shard 0",
+  "chain": "QuarkChain",
+  "network": "mainnet",
+  "rpc": [
+    "http://jrpc.mainnet.quarkchain.io:39000/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-s0",
+  "chainId": 100001,
+  "networkId": 100001
+}
diff --git a/_data/chains/eip155-100002.json b/_data/chains/eip155-100002.json
new file mode 100644
index 00000000..5a8403f5
--- /dev/null
+++ b/_data/chains/eip155-100002.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Mainnet Shard 1",
+  "chain": "QuarkChain",
+  "network": "mainnet",
+  "rpc": [
+    "http://jrpc.mainnet.quarkchain.io:39001/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-s1",
+  "chainId": 100002,
+  "networkId": 100002
+}
diff --git a/_data/chains/eip155-100003.json b/_data/chains/eip155-100003.json
new file mode 100644
index 00000000..11a688bc
--- /dev/null
+++ b/_data/chains/eip155-100003.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Mainnet Shard 2",
+  "chain": "QuarkChain",
+  "network": "mainnet",
+  "rpc": [
+    "http://jrpc.mainnet.quarkchain.io:39002/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-s2",
+  "chainId": 100003,
+  "networkId": 100003
+}
diff --git a/_data/chains/eip155-100004.json b/_data/chains/eip155-100004.json
new file mode 100644
index 00000000..061dbc1e
--- /dev/null
+++ b/_data/chains/eip155-100004.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Mainnet Shard 3",
+  "chain": "QuarkChain",
+  "network": "mainnet",
+  "rpc": [
+    "http://jrpc.mainnet.quarkchain.io:39003/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-s3",
+  "chainId": 100004,
+  "networkId": 100004
+}
diff --git a/_data/chains/eip155-100005.json b/_data/chains/eip155-100005.json
new file mode 100644
index 00000000..dda2ad03
--- /dev/null
+++ b/_data/chains/eip155-100005.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Mainnet Shard 4",
+  "chain": "QuarkChain",
+  "network": "mainnet",
+  "rpc": [
+    "http://jrpc.mainnet.quarkchain.io:39004/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-s4",
+  "chainId": 100005,
+  "networkId": 100005
+}
diff --git a/_data/chains/eip155-100006.json b/_data/chains/eip155-100006.json
new file mode 100644
index 00000000..46f977d9
--- /dev/null
+++ b/_data/chains/eip155-100006.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Mainnet Shard 5",
+  "chain": "QuarkChain",
+  "network": "mainnet",
+  "rpc": [
+    "http://jrpc.mainnet.quarkchain.io:39005/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-s5",
+  "chainId": 100006,
+  "networkId": 100006
+}
diff --git a/_data/chains/eip155-100007.json b/_data/chains/eip155-100007.json
new file mode 100644
index 00000000..c04864b5
--- /dev/null
+++ b/_data/chains/eip155-100007.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Mainnet Shard 6",
+  "chain": "QuarkChain",
+  "network": "mainnet",
+  "rpc": [
+    "http://jrpc.mainnet.quarkchain.io:39006/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-s6",
+  "chainId": 100007,
+  "networkId": 100007
+}
diff --git a/_data/chains/eip155-100008.json b/_data/chains/eip155-100008.json
new file mode 100644
index 00000000..239fd4f5
--- /dev/null
+++ b/_data/chains/eip155-100008.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Mainnet Shard 7",
+  "chain": "QuarkChain",
+  "network": "mainnet",
+  "rpc": [
+    "http://jrpc.mainnet.quarkchain.io:39007/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-s7",
+  "chainId": 100008,
+  "networkId": 100008
+}
diff --git a/_data/chains/eip155-110000.json b/_data/chains/eip155-110000.json
new file mode 100644
index 00000000..1987551c
--- /dev/null
+++ b/_data/chains/eip155-110000.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Devnet Root",
+  "chain": "QuarkChain",
+  "network": "devnet",
+  "rpc": [
+    "http://jrpc.devnet.quarkchain.io:38391/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-d-r",
+  "chainId": 110000,
+  "networkId": 110000
+}
diff --git a/_data/chains/eip155-110001.json b/_data/chains/eip155-110001.json
new file mode 100644
index 00000000..27656940
--- /dev/null
+++ b/_data/chains/eip155-110001.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Devnet Shard 0",
+  "chain": "QuarkChain",
+  "network": "devnet",
+  "rpc": [
+    "http://jrpc.devnet.quarkchain.io:39000/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-d-s0",
+  "chainId": 110001,
+  "networkId": 110001
+}
diff --git a/_data/chains/eip155-110002.json b/_data/chains/eip155-110002.json
new file mode 100644
index 00000000..aeef0fbe
--- /dev/null
+++ b/_data/chains/eip155-110002.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Devnet Shard 1",
+  "chain": "QuarkChain",
+  "network": "devnet",
+  "rpc": [
+    "http://jrpc.devnet.quarkchain.io:39001/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-d-s1",
+  "chainId": 110002,
+  "networkId": 110002
+}
diff --git a/_data/chains/eip155-110003.json b/_data/chains/eip155-110003.json
new file mode 100644
index 00000000..fd16532f
--- /dev/null
+++ b/_data/chains/eip155-110003.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Devnet Shard 2",
+  "chain": "QuarkChain",
+  "network": "devnet",
+  "rpc": [
+    "http://jrpc.devnet.quarkchain.io:39002/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-d-s2",
+  "chainId": 110003,
+  "networkId": 110003
+}
diff --git a/_data/chains/eip155-110004.json b/_data/chains/eip155-110004.json
new file mode 100644
index 00000000..79c7a60c
--- /dev/null
+++ b/_data/chains/eip155-110004.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Devnet Shard 3",
+  "chain": "QuarkChain",
+  "network": "devnet",
+  "rpc": [
+    "http://jrpc.devnet.quarkchain.io:39003/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-d-s3",
+  "chainId": 110004,
+  "networkId": 110004
+}
diff --git a/_data/chains/eip155-110005.json b/_data/chains/eip155-110005.json
new file mode 100644
index 00000000..421b3f9c
--- /dev/null
+++ b/_data/chains/eip155-110005.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Devnet Shard 4",
+  "chain": "QuarkChain",
+  "network": "devnet",
+  "rpc": [
+    "http://jrpc.devnet.quarkchain.io:39004/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-d-s4",
+  "chainId": 110005,
+  "networkId": 110005
+}
diff --git a/_data/chains/eip155-110006.json b/_data/chains/eip155-110006.json
new file mode 100644
index 00000000..8236e000
--- /dev/null
+++ b/_data/chains/eip155-110006.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Devnet Shard 5",
+  "chain": "QuarkChain",
+  "network": "devnet",
+  "rpc": [
+    "http://jrpc.devnet.quarkchain.io:39005/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-d-s5",
+  "chainId": 110006,
+  "networkId": 110006
+}
diff --git a/_data/chains/eip155-110007.json b/_data/chains/eip155-110007.json
new file mode 100644
index 00000000..a25314c2
--- /dev/null
+++ b/_data/chains/eip155-110007.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Devnet Shard 6",
+  "chain": "QuarkChain",
+  "network": "devnet",
+  "rpc": [
+    "http://jrpc.devnet.quarkchain.io:39006/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-d-s6",
+  "chainId": 110007,
+  "networkId": 110007
+}
diff --git a/_data/chains/eip155-110008.json b/_data/chains/eip155-110008.json
new file mode 100644
index 00000000..f0826bf4
--- /dev/null
+++ b/_data/chains/eip155-110008.json
@@ -0,0 +1,19 @@
+{
+  "name": "QuarkChain Devnet Shard 7",
+  "chain": "QuarkChain",
+  "network": "devnet",
+  "rpc": [
+    "http://jrpc.devnet.quarkchain.io:39007/"
+  ],
+  "faucets": [
+  ],
+  "nativeCurrency": {
+    "name": "QKC",
+    "symbol": "QKC",
+    "decimals": 18
+  },
+  "infoURL": "https://www.quarkchain.io/",
+  "shortName": "qkc-d-s7",
+  "chainId": 110008,
+  "networkId": 110008
+}