diff --git a/src/api/sign/poseidon/eddsa_test.ts b/src/api/sign/poseidon/eddsa_test.ts
index 60440b41..bb41105f 100644
--- a/src/api/sign/poseidon/eddsa_test.ts
+++ b/src/api/sign/poseidon/eddsa_test.ts
@@ -29,8 +29,8 @@ function test_prehash_message_1() {
 function test_to_bytes_1() {
   // console.log("test_to_bytes_1")
   const arg = BigNumber.from("20693456676802104653139582814194312788878632719314804297029697306071204881418")
-  const resutls = SignatureScheme.to_bytes(arg)
-  assert(JSON.stringify(resutls) === JSON.stringify([10, 228, 215, 147, 146, 102, 9, 42, 66, 160, 26, 94, 171, 73, 235, 194, 245, 106, 249, 114, 50, 52, 155, 182, 188, 18, 133, 216, 215, 20, 192, 45]))
+  const results = SignatureScheme.to_bytes(arg)
+  assert(JSON.stringify(results) === JSON.stringify([10, 228, 215, 147, 146, 102, 9, 42, 66, 160, 26, 94, 171, 73, 235, 194, 245, 106, 249, 114, 50, 52, 155, 182, 188, 18, 133, 216, 215, 20, 192, 45]))
   // console.log("test_to_bytes_1 passed")
 }
 
diff --git a/src/tests/demo/NFTAction/mintNFT.test.ts b/src/tests/demo/NFTAction/mintNFT.test.ts
index 4fcd2382..3127ba84 100644
--- a/src/tests/demo/NFTAction/mintNFT.test.ts
+++ b/src/tests/demo/NFTAction/mintNFT.test.ts
@@ -14,7 +14,7 @@ const mockData = {
 /**
  * !!!important  describe
  * Follow mehod is the simple way for mint NTF, but this kind of NFT will using the same contact & with no Contract metadata forever on L1,
- * New Version of NFT will has it isolate Contract/colletion with metadata inforamtion
+ * New Version of NFT will has it isolate Contract/colletion with metadata information
  * From Step 3. nftTokenAddress please follow create `collectionNFT` step create collection(contract), the api will return follow info for mint NFT
  * tokenAddress: collectionMeta.contractAddress,
  * counterFactualNftInfo: {
diff --git a/src/tests/demo/account/activeAccount.test.ts b/src/tests/demo/account/activeAccount.test.ts
index b4644d16..c73296ba 100644
--- a/src/tests/demo/account/activeAccount.test.ts
+++ b/src/tests/demo/account/activeAccount.test.ts
@@ -9,7 +9,7 @@ import {
 import * as sdk from "../../../index";
 
 /*
- * @replace LOOPRING_EXPORTED_ACCOUNT.exchangeAddress =  exchangeInfo.exchangeAddressess
+ * @replace LOOPRING_EXPORTED_ACCOUNT.exchangeAddress =  exchangeInfo.exchangeAddresses
  * const { exchangeInfo } = await LoopringAPI.exchangeAPI.getExchangeInfo();
  */
 describe("ActiveAccount", function () {