diff --git a/_data/chains/eip155-201030.json b/_data/chains/eip155-201030.json
new file mode 100644
index 00000000..7dfedd30
--- /dev/null
+++ b/_data/chains/eip155-201030.json
@@ -0,0 +1,27 @@
+{
+  "name": "Alaya Dev Testnet",
+  "chain": "Alaya",
+  "network": "testnet",
+  "rpc": [
+    "https://devnetopenapi.alaya.network/rpc",
+	"wss://devnetopenapi.alaya.network/ws"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "ATP",
+    "symbol": "atp",
+    "decimals": 18
+  },
+  "infoURL": "https://www.alaya.network/",
+  "shortName": "alaya",
+  "chainId": 201030,
+  "networkId": 1,
+  "icon": "alaya",
+  "explorers": [
+    {
+      "name": "alaya explorer",
+      "url": "devnetscan.alaya.network",
+      "standard": "none"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/_data/chains/eip155-210309.json b/_data/chains/eip155-210309.json
new file mode 100644
index 00000000..b346d399
--- /dev/null
+++ b/_data/chains/eip155-210309.json
@@ -0,0 +1,27 @@
+{
+  "name": "PlatON Dev Testnet",
+  "chain": "PlatON",
+  "network": "testnet",
+  "rpc": [
+    "https://devnetopenapi.platon.network/rpc",
+	"wss://devnetopenapi.platon.network/ws"
+  ],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "LAT",
+    "symbol": "lat",
+    "decimals": 18
+  },
+  "infoURL": "https://www.platon.network",
+  "shortName": "PlatON",
+  "chainId": 210309,
+  "networkId": 1,
+  "icon": "platon",
+  "explorers": [
+    {
+      "name": "PlatON explorer",
+      "url": "devnetscan.platon.network",
+      "standard": "none"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/_data/icons/alaya.json b/_data/icons/alaya.json
new file mode 100644
index 00000000..d3c953c2
--- /dev/null
+++ b/_data/icons/alaya.json
@@ -0,0 +1,8 @@
+[
+    {
+	"url":"ipfs://Qmci6vPcWAwmq19j98yuQxjV6UPzHtThMdCAUDbKeb8oYu",
+	"width":1140,
+	"height":1140,
+	"format":"png"
+    }
+]
\ No newline at end of file
diff --git a/_data/icons/platon.json b/_data/icons/platon.json
new file mode 100644
index 00000000..70f478cc
--- /dev/null
+++ b/_data/icons/platon.json
@@ -0,0 +1,8 @@
+[
+    {
+	"url":"ipfs://QmT7PSXBiVBma6E15hNkivmstqLu3JSnG1jXN5pTmcCGRC",
+	"width":200,
+	"height":200,
+	"format":"png"
+    }
+]
\ No newline at end of file