diff --git a/_data/chains/eip155-100001.json b/_data/chains/eip155-100001.json
index bdeb2c9d..aa3c3684 100644
--- a/_data/chains/eip155-100001.json
+++ b/_data/chains/eip155-100001.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-s0",
   "chainId": 100001,
-  "networkId": 100001
+  "networkId": 100001,
+  "parent": {
+    "chain": "eip155-100000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-100002.json b/_data/chains/eip155-100002.json
index 5a8403f5..f7a30475 100644
--- a/_data/chains/eip155-100002.json
+++ b/_data/chains/eip155-100002.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-s1",
   "chainId": 100002,
-  "networkId": 100002
+  "networkId": 100002,
+  "parent": {
+    "chain": "eip155-100000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-100003.json b/_data/chains/eip155-100003.json
index 11a688bc..6dd08d83 100644
--- a/_data/chains/eip155-100003.json
+++ b/_data/chains/eip155-100003.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-s2",
   "chainId": 100003,
-  "networkId": 100003
+  "networkId": 100003,
+  "parent": {
+    "chain": "eip155-100000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-100004.json b/_data/chains/eip155-100004.json
index 061dbc1e..6da5d4f0 100644
--- a/_data/chains/eip155-100004.json
+++ b/_data/chains/eip155-100004.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-s3",
   "chainId": 100004,
-  "networkId": 100004
+  "networkId": 100004,
+  "parent": {
+    "chain": "eip155-100000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-100005.json b/_data/chains/eip155-100005.json
index dda2ad03..51a99cc4 100644
--- a/_data/chains/eip155-100005.json
+++ b/_data/chains/eip155-100005.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-s4",
   "chainId": 100005,
-  "networkId": 100005
+  "networkId": 100005,
+  "parent": {
+    "chain": "eip155-100000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-100006.json b/_data/chains/eip155-100006.json
index 46f977d9..3b59fccd 100644
--- a/_data/chains/eip155-100006.json
+++ b/_data/chains/eip155-100006.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-s5",
   "chainId": 100006,
-  "networkId": 100006
+  "networkId": 100006,
+  "parent": {
+    "chain": "eip155-100000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-100007.json b/_data/chains/eip155-100007.json
index c04864b5..ad839418 100644
--- a/_data/chains/eip155-100007.json
+++ b/_data/chains/eip155-100007.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-s6",
   "chainId": 100007,
-  "networkId": 100007
+  "networkId": 100007,
+  "parent": {
+    "chain": "eip155-100000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-100008.json b/_data/chains/eip155-100008.json
index 239fd4f5..95adcd34 100644
--- a/_data/chains/eip155-100008.json
+++ b/_data/chains/eip155-100008.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-s7",
   "chainId": 100008,
-  "networkId": 100008
+  "networkId": 100008,
+  "parent": {
+    "chain": "eip155-100000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-110001.json b/_data/chains/eip155-110001.json
index 27656940..9020d5bf 100644
--- a/_data/chains/eip155-110001.json
+++ b/_data/chains/eip155-110001.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-d-s0",
   "chainId": 110001,
-  "networkId": 110001
+  "networkId": 110001,
+  "parent": {
+    "chain": "eip155-110000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-110002.json b/_data/chains/eip155-110002.json
index aeef0fbe..ff6f0564 100644
--- a/_data/chains/eip155-110002.json
+++ b/_data/chains/eip155-110002.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-d-s1",
   "chainId": 110002,
-  "networkId": 110002
+  "networkId": 110002,
+  "parent": {
+    "chain": "eip155-110000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-110003.json b/_data/chains/eip155-110003.json
index fd16532f..e316efb9 100644
--- a/_data/chains/eip155-110003.json
+++ b/_data/chains/eip155-110003.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-d-s2",
   "chainId": 110003,
-  "networkId": 110003
+  "networkId": 110003,
+  "parent": {
+    "chain": "eip155-110000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-110004.json b/_data/chains/eip155-110004.json
index 79c7a60c..a1c228c6 100644
--- a/_data/chains/eip155-110004.json
+++ b/_data/chains/eip155-110004.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-d-s3",
   "chainId": 110004,
-  "networkId": 110004
+  "networkId": 110004,
+  "parent": {
+    "chain": "eip155-110000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-110005.json b/_data/chains/eip155-110005.json
index 421b3f9c..52f6564d 100644
--- a/_data/chains/eip155-110005.json
+++ b/_data/chains/eip155-110005.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-d-s4",
   "chainId": 110005,
-  "networkId": 110005
+  "networkId": 110005,
+  "parent": {
+    "chain": "eip155-110000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-110006.json b/_data/chains/eip155-110006.json
index 8236e000..123c9a11 100644
--- a/_data/chains/eip155-110006.json
+++ b/_data/chains/eip155-110006.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-d-s5",
   "chainId": 110006,
-  "networkId": 110006
+  "networkId": 110006,
+  "parent": {
+    "chain": "eip155-110000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-110007.json b/_data/chains/eip155-110007.json
index a25314c2..46c66797 100644
--- a/_data/chains/eip155-110007.json
+++ b/_data/chains/eip155-110007.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-d-s6",
   "chainId": 110007,
-  "networkId": 110007
+  "networkId": 110007,
+  "parent": {
+    "chain": "eip155-110000",
+    "type": "shard"
+  }
 }
diff --git a/_data/chains/eip155-110008.json b/_data/chains/eip155-110008.json
index f0826bf4..486b77c7 100644
--- a/_data/chains/eip155-110008.json
+++ b/_data/chains/eip155-110008.json
@@ -15,5 +15,9 @@
   "infoURL": "https://www.quarkchain.io/",
   "shortName": "qkc-d-s7",
   "chainId": 110008,
-  "networkId": 110008
+  "networkId": 110008,
+  "parent": {
+    "chain": "eip155-110000",
+    "type": "shard"
+  }
 }