diff --git a/EFI/OC/config.plist b/EFI/OC/config.plist
index 623660c..47fc82c 100755
--- a/EFI/OC/config.plist
+++ b/EFI/OC/config.plist
@@ -831,7 +831,7 @@
 			<key>SystemProductName</key>
 			<string>iMac15,1</string>
 			<key>SystemSerialNumber</key>
-			<string>C02NFJY1FY10</string>
+			<string>C01NFJY1FY10</string>
 			<key>SystemUUID</key>
 			<string>CBC4D14E-CB82-4FAB-8286-A8843795407C</string>
 		</dict>
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9660547
--- /dev/null
+++ b/README.md
@@ -0,0 +1,24 @@
+# i5-4590-GT730-Hackintosh-OpenCore-EFI
+
+| Hardware    | Model                                               |
+| ----------- | --------------------------------------------------- |
+| CPU         | i5-4590                                             |
+| GPU         | NVIDIA GeForce GT 730                               |
+| Audio       | Realtek ALC887 (layout-id=7)                        |
+| RAM         | 8gb+4gb (DDR3 1600MHZ)                              |
+| Disk        | DerIerT1/120G SSD + WD5003ABYZ-011FA0 512G HDD      |
+| Ethernet    | Realtek RTL8168G/8111G PCI Express Gigabit Ethernet |
+| MotherBoard | Asus B85                                            |
+
+---
+
+**Everything works on well**
+
+**For iservice**:  You need to use [GenSMBIOS](https://github.com/corpnewt/GenSMBIOS) to genrate your MLB、SystemSerialNumber、SystemUUID
+Please read :
+https://dortania.github.io/OpenCore-Post-Install/universal/iservices.html#generate-a-new-serial
+
+ ![](https://i.loli.net/2020/10/25/6GzS3hxZRTYEcW5.png)
+
+
+