diff --git a/02_ProjectOrientedSessions/docs/AlibabaERD-Version02.pdf b/02_ProjectOrientedSessions/docs/AlibabaERD-Version02.pdf
index b47caad..c08e576 100644
Binary files a/02_ProjectOrientedSessions/docs/AlibabaERD-Version02.pdf and b/02_ProjectOrientedSessions/docs/AlibabaERD-Version02.pdf differ
diff --git a/02_ProjectOrientedSessions/docs/AlibabaERD-Version02.vsdx b/02_ProjectOrientedSessions/docs/AlibabaERD-Version02.vsdx
index 7900722..258019b 100644
Binary files a/02_ProjectOrientedSessions/docs/AlibabaERD-Version02.vsdx and b/02_ProjectOrientedSessions/docs/AlibabaERD-Version02.vsdx differ