diff --git a/crypto/cryptoService.go b/crypto/cryptoService.go
index ddbc5ae..4ad981e 100644
--- a/crypto/cryptoService.go
+++ b/crypto/cryptoService.go
@@ -148,7 +148,7 @@ func (cryptoService *CryptoService) readRSAPriKey() (err error) {
 
 func (cryptoService *CryptoService) readAESPriKey() (aesPriKey []byte) {
 	//读取私钥
-	aesPriKey = []byte("Xbz1145141919810")
+	cryptoService.aesPriKey = []byte("Xbz1145141919810")
 	return
 }