diff --git a/src/MiniProgram/Encryptor.php b/src/MiniProgram/Encryptor.php
index 8a29742..e135367 100644
--- a/src/MiniProgram/Encryptor.php
+++ b/src/MiniProgram/Encryptor.php
@@ -19,10 +19,6 @@ public function decryptData(string $sessionKey, string $iv, string $encryptedDat
     {
         $jsonString = openssl_decrypt(base64_decode($encryptedData), "aes-128-cbc", base64_decode($sessionKey), OPENSSL_RAW_DATA, base64_decode($iv));
 
-        if (openssl_error_string() !== false) {
-            throw new EncryptorError(openssl_error_string());
-        }
-
         $decryptData = json_decode($jsonString, true);
 
         if (!$decryptData) {