diff --git a/README.md b/README.md
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 ### Datasheet
 
-![BK3266 Datasheet](doc/BK3266 Datasheet.pdf?raw=true "BK3266 Datasheet")
-
+[BK3266 Datasheet](doc/BK3266 Datasheet.pdf)
 
 ### BK3266 Control instruction list