diff --git a/_data/chains/20.json b/_data/chains/20.json
index 88d4f13a..e19b558b 100644
--- a/_data/chains/20.json
+++ b/_data/chains/20.json
@@ -14,5 +14,5 @@
   "infoURL": "https://www.elastos.org/",
   "shortName": "ELAETHSC",
   "chainId": 20,
-  "networkId": 1
+  "networkId": 20
 }
diff --git a/_data/chains/21.json b/_data/chains/21.json
index 169b3a19..3847c75b 100644
--- a/_data/chains/21.json
+++ b/_data/chains/21.json
@@ -16,5 +16,5 @@
   "infoURL": "https://elaeth.io/",
   "shortName": "ELAETHSC",
   "chainId": 21,
-  "networkId": 2
+  "networkId": 21
 }