diff --git a/igs/products.md b/igs/products.md
index 87cee5f..1592c35 100644
--- a/igs/products.md
+++ b/igs/products.md
@@ -12,6 +12,7 @@ IQ NET      - IQ Park Online (IQ乐园网络版) (2009)
 IQ 2008     - IQ Park 2008 (IQ乐园2008) (2008)
 音炫疯      - MuziBox (2012)
 MGG         - Music Gun Gun (China) (2010)
+RF3         - Rock Fever 3 (2002)
 RF4         - Rock Fever 4 / Rock Fever 4 Remix (2003)
 RF5         - Rock Fever 5 (2005)
 SD2(2GB)    - Speed Driver 2: Overtake (2007)
@@ -55,7 +56,6 @@ TK          - Tempo Kiddo (2005)
 ???         - Percussion Master 3 (2012)
 ???         - Rock Fever (1999)
 ???         - Rock Fever EX (2001)
-???         - Rock Fever 3 (2002)
 ???         - Rock Fever 3.5 (2005)
 ???         - Sailor's Quest VR (2022)
 ???         - Speed Driver (1999)