diff --git a/static/pdf/aelf_whitepaper_v2.0.pdf b/static/pdf/aelf_whitepaper_v2.0.pdf
index 01f5e21..7d28594 100644
Binary files a/static/pdf/aelf_whitepaper_v2.0.pdf and b/static/pdf/aelf_whitepaper_v2.0.pdf differ