diff --git a/console/jsre/deps/web3.js b/console/jsre/deps/web3.js
index 2077d9f44..745e30fed 100644
--- a/console/jsre/deps/web3.js
+++ b/console/jsre/deps/web3.js
@@ -3848,8 +3848,10 @@ var inputBlockNumberFormatter = function (blockNumber) {
         return undefined;
     } else if (isPredefinedBlockNumber(blockNumber)) {
         return blockNumber;
+    } else if (/^\d+$/.test(blockNumber) || /^0x[0-9a-fA-F]+$/.test(blockNumber)) { // test if input is decmial or hex
+      return utils.toHex(blockNumber);
     }
-    return utils.toHex(blockNumber);
+    throw new Error(`input block number(${blockNumber}) is invalid`);
 };
 
 var inputEmptyFormatter = function (a) {