diff --git a/_data/chains/eip155-20.json b/_data/chains/eip155-20.json
index 742787ba..885c7cc8 100644
--- a/_data/chains/eip155-20.json
+++ b/_data/chains/eip155-20.json
@@ -16,6 +16,6 @@
   "networkId": 20,
   "explorers": [{
     "name": "elastos eth explorer",
-    "url": "https://eth.elastos.io/",
+    "url": "https://eth.elastos.io",
     "standard": "EIP3091"
   }]