diff --git a/encoding.go b/encoding.go
index 8bcba1f..620ad7a 100644
--- a/encoding.go
+++ b/encoding.go
@@ -66,38 +66,38 @@ func DecryptID(data, salt string) int64 {
 }
 
 // 先压缩再加密（适合长文本）
-func Encrypt(plaintext string, key string) (string, error) {
+func Encrypt(plaintext string, key string) string {
 	// 1. 压缩
 	var buf bytes.Buffer
 	gz := gzip.NewWriter(&buf)
 	if _, err := gz.Write([]byte(plaintext)); err != nil {
-		return "", err
+		return ""
 	}
 	if err := gz.Close(); err != nil {
-		return "", err
+		return ""
 	}
 	compressed := buf.Bytes()
 
 	// 2. 加密（使用AES-GCM）
 	block, err := aes.NewCipher([]byte(Md5(key)))
 	if err != nil {
-		return "", err
+		return ""
 	}
 
 	gcm, err := cipher.NewGCM(block)
 	if err != nil {
-		return "", err
+		return ""
 	}
 
 	nonce := make([]byte, gcm.NonceSize())
 	if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
-		return "", err
+		return ""
 	}
 
 	ciphertext := gcm.Seal(nonce, nonce, compressed, nil)
 
 	// 使用RawURLEncoding
-	return base64.RawURLEncoding.EncodeToString(ciphertext), nil
+	return base64.RawURLEncoding.EncodeToString(ciphertext)
 }
 
 func Decrypt(encoded string, key string) (string, error) {