diff --git a/mobile/source/helpers/dalianpay/library/Crypt.php b/mobile/source/helpers/dalianpay/library/Crypt.php
index 93bebde..3dd124d 100644
--- a/mobile/source/helpers/dalianpay/library/Crypt.php
+++ b/mobile/source/helpers/dalianpay/library/Crypt.php
@@ -176,6 +176,8 @@ class Crypt
 	{
 		// 加密数据转二进制
 		$pre_decrypt_data = base64_decode($data);
+		$pre_decrypt_data = mb_convert_encoding($pre_decrypt_data, 'UTF-8', 'GBK');
+		echo "pre_decrypt_data\r\n";
 		echo $pre_decrypt_data . "\r\n";
 		// 读取私钥
 		$private_key = file_get_contents($this->config['private_key']);
@@ -201,6 +203,7 @@ class Crypt
 			$decrypted_data .= $decrypted_data_tmp;
 		}
 		echo "after decrypted.\r\n";
+		$decrypted_data = mb_convert_encoding($decrypted_data, 'UTF-8', 'GBK');
 		echo $decrypted_data . "\r\n";
 		// 解密结果编码转换（JAVA处理后的中文一般为GBK编码）
 		// echo "\r\n";