diff --git a/contracts/test/TestCaptcha.sol b/contracts/test/TestCaptcha.sol
index 2819091..03b5e30 100644
--- a/contracts/test/TestCaptcha.sol
+++ b/contracts/test/TestCaptcha.sol
@@ -7,8 +7,12 @@ import "../samples/HybridAccount.sol";
 
 contract TestCaptcha is Ownable {
     address payable immutable helperAddr;
+    uint256 constant public nativeFaucetAmount = 0.01 ether;
+    uint256 constant public waitingPeriod = 1 days;
     IERC20 public token;
 
+    mapping(address => uint256) public claimRecords;
+
     uint256 private constant SAFE_GAS_STIPEND = 6000;
 
     constructor(address payable _helperAddr) {
@@ -30,17 +34,17 @@ contract TestCaptcha is Ownable {
     }
 
     function verifycaptcha(
-        string calldata userAddress,
-        string calldata uuid,
-        string calldata captchaInput
-    ) public returns (bool) {
+        address _to,
+        bytes32 _uuid,
+        string memory _key
+    ) private returns (bool) {
         HybridAccount ha = HybridAccount(helperAddr);
 
         bytes memory req = abi.encodeWithSignature(
             "verifyCaptcha(string,string,string)",
-            userAddress,
-            uuid,
-            captchaInput
+             _to,
+            _uuid,
+            _key
         );
         bytes32 userKey = bytes32(abi.encode(msg.sender));
         (uint32 error, bytes memory ret) = ha.CallOffchain(userKey, req);
@@ -54,11 +58,15 @@ contract TestCaptcha is Ownable {
         return isVerified;
     }
 
-    function getBalances()
-        public
-        view
-        returns (uint256 nativeBalance)
-    {
-        nativeBalance = address(this).balance;
+ function getTestnetETH(
+        bytes32 _uuid,
+        string memory _key,
+        address _to) external {
+        require(claimRecords[_to] + waitingPeriod <= block.timestamp, 'Invalid request');
+        require(verifyCaptcha(_to, _uuid, _key), "Invalid captcha");
+        claimRecords[_to] = block.timestamp;
+
+        (bool sent,) = (_to).call{gas: SAFE_GAS_STIPEND, value: nativeFaucetAmount}("");
+        require(sent, "Failed to send native");
     }
 }