diff --git a/packages/umi-eddsa-web3js/src/createWeb3JsEddsa.ts b/packages/umi-eddsa-web3js/src/createWeb3JsEddsa.ts
index 260fa12..2566dbb 100644
--- a/packages/umi-eddsa-web3js/src/createWeb3JsEddsa.ts
+++ b/packages/umi-eddsa-web3js/src/createWeb3JsEddsa.ts
@@ -31,7 +31,9 @@ export function createWeb3JsEddsa(): EddsaInterface {
     fromWeb3JsKeypair(Web3JsKeypair.fromSeed(seed));
 
   const createKeypairFromFile = (path: string): Keypair =>
-    createKeypairFromSecretKey(new Uint8Array(JSON.parse(readFileSync(path).toString())));
+    createKeypairFromSecretKey(
+      new Uint8Array(JSON.parse(readFileSync(path).toString()))
+    );
 
   const createKeypairFromSolanaConfig = (): Keypair =>
     fromWeb3JsKeypair(SolanaCliConfig.load().loadKeypair());
diff --git a/packages/umi-eddsa-web3js/test/Web3JsEddsa.test.ts b/packages/umi-eddsa-web3js/test/Web3JsEddsa.test.ts
index 15d469d..e7d7f24 100644
--- a/packages/umi-eddsa-web3js/test/Web3JsEddsa.test.ts
+++ b/packages/umi-eddsa-web3js/test/Web3JsEddsa.test.ts
@@ -16,10 +16,10 @@ test('it can create a new private key', async (t) => {
   // And the secret key is valid.
   t.true(
     typeof keypair.secretKey === 'object' &&
-    typeof keypair.secretKey.BYTES_PER_ELEMENT === 'number' &&
-    typeof keypair.secretKey.length === 'number' &&
-    keypair.secretKey.BYTES_PER_ELEMENT === 1 &&
-    keypair.secretKey.length === 64
+      typeof keypair.secretKey.BYTES_PER_ELEMENT === 'number' &&
+      typeof keypair.secretKey.length === 'number' &&
+      keypair.secretKey.BYTES_PER_ELEMENT === 1 &&
+      keypair.secretKey.length === 64
   );
 });
 
@@ -40,8 +40,11 @@ test('it can sign and verify messages', async (t) => {
 test('it can create a keypair from a file', async (t) => {
   // Given a keypair file.
   const eddsa = createWeb3JsEddsa();
-  const keypair = eddsa.createKeypairFromFile("test/test.json");
+  const keypair = eddsa.createKeypairFromFile('test/test.json');
 
   // Then we expect the signature to be valid.
-  t.true(keypair.publicKey.toString() == "HUaeN9AVCpTU6QvEmE48wAttKmQEh6RsRd5cWaXqkhVk");
-});
\ No newline at end of file
+  t.true(
+    keypair.publicKey.toString() ==
+      'HUaeN9AVCpTU6QvEmE48wAttKmQEh6RsRd5cWaXqkhVk'
+  );
+});
diff --git a/packages/umi-eddsa-web3js/test/test.json b/packages/umi-eddsa-web3js/test/test.json
index b2a3e51..c2ef5bc 100644
--- a/packages/umi-eddsa-web3js/test/test.json
+++ b/packages/umi-eddsa-web3js/test/test.json
@@ -1 +1,6 @@
-[52,164,75,60,77,252,108,145,74,181,35,32,89,22,231,157,245,70,255,49,225,78,203,55,121,240,77,246,224,78,24,79,244,203,182,220,132,185,2,89,57,34,151,38,211,134,214,168,177,118,159,131,163,161,198,114,45,178,239,183,160,72,46,91]
\ No newline at end of file
+[
+  52, 164, 75, 60, 77, 252, 108, 145, 74, 181, 35, 32, 89, 22, 231, 157, 245,
+  70, 255, 49, 225, 78, 203, 55, 121, 240, 77, 246, 224, 78, 24, 79, 244, 203,
+  182, 220, 132, 185, 2, 89, 57, 34, 151, 38, 211, 134, 214, 168, 177, 118, 159,
+  131, 163, 161, 198, 114, 45, 178, 239, 183, 160, 72, 46, 91
+]