diff --git a/__test__/encode.test.ts b/__test__/encode.test.ts
index 8ea6d06..965c83a 100644
--- a/__test__/encode.test.ts
+++ b/__test__/encode.test.ts
@@ -91,18 +91,16 @@ describe('dictionary', () => {
   // bittorrent 编码测试
   test('encode complex dictionary', () => {
     const torrentStructure = {
-      announce: 'https://www.github.com',
-      'created by': 'sloaix-node-bencode',
-      'creation date': Math.floor(Date.now() / 1000),
-      info: {
-        name: 'hello.txt',
-        'piece length': 16 * 1024,
-        length: 5,
-        pieces: new Uint8Array([
-          170, 244, 198, 29, 220, 197, 232, 162, 218, 190, 222, 15, 59, 72, 44, 217, 174, 169, 67, 77
-        ])
-      }
+      pieces: new Uint8Array([
+        170, 244, 198, 29, 220, 197, 232, 162, 218, 190, 222, 15, 59, 72, 44, 217, 174, 169, 67, 77
+      ])
     }
-    console.log(Buffer.from(encoder.encode(torrentStructure)).toString('hex'))
+
+    const expectValue = new Uint8Array([
+      100, 54, 58, 112, 105, 101, 99, 101, 115, 50, 48, 58, 170, 244, 198, 29, 220, 197, 232, 162, 218, 190, 222, 15,
+      59, 72, 44, 217, 174, 169, 67, 77, 101
+    ])
+
+    expect(encoder.encode(torrentStructure)).toStrictEqual(expectValue)
   })
 })
diff --git a/package.json b/package.json
index a9286f5..8172215 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "sloaix-node-bencode",
-  "version": "0.1.5",
+  "version": "0.1.6",
   "description": "Bencode encoding and decoding, with both library and CLI versions available. The CLI version can decode bencode-formatted data from files or strings and output the result in JSON format.",
   "keywords": [
     "bencode",
diff --git a/src/encoder.ts b/src/encoder.ts
index 3ff0663..b587d17 100644
--- a/src/encoder.ts
+++ b/src/encoder.ts
@@ -34,31 +34,28 @@ export class Bencoder {
 
   /**
    * 编码字节字符串
-   * @param byteString 字节字符串
+   * @param bufferString 字节字符串
    *
    * 支持编码空字符串,例如 0:
    * 但不支持null或者undefined
    */
-  private encodeByteString(byteString: BencodeString): Uint8Array {
-    if (byteString === null || byteString === undefined) {
+  private encodeByteString(bufferString: BencodeString): Uint8Array {
+    if (bufferString === null || bufferString === undefined) {
       throw new Error("undefined or null string isn't be supported to be encode")
     }
 
-    // 将除string外非Buffer类型的数据转换为Buffer
-    if (byteString instanceof Uint8Array) {
-      byteString = Buffer.from(byteString)
+    // 如果不是Buffer,则转换为Buffer
+    if (!(bufferString instanceof Buffer)) {
+      bufferString = Buffer.from(bufferString)
     }
 
-    // 将Buffer类型的数据转换为字节字符串
-    if (byteString instanceof Buffer) {
-      byteString = byteString.toString('utf-8')
-    }
+    // 字符串的编码格式为：字符串的长度 + ':' + 字符串,例如：4:spam
 
-    // 字符串的编码格式为：字符串的长度 + ':' + 字符串
-    // 例如：4:spam
-    const buffers: Uint8Array[] = [this.te.encode(`${byteString.toString().length}:`)]
+    // 编码字符串的长度
+    const buffers: Uint8Array[] = [this.te.encode(`${bufferString.length}:`)]
 
-    buffers.push(Buffer.from(byteString))
+    // 编码字符串内容
+    buffers.push(bufferString)
 
     return Uint8Array.from(Buffer.concat(buffers))
   }