diff --git a/config/boards/mangopi-mq.csc b/config/boards/mangopi-mq.eos
similarity index 100%
rename from config/boards/mangopi-mq.csc
rename to config/boards/mangopi-mq.eos
diff --git a/config/boards/nezha.csc b/config/boards/nezha.eos
similarity index 100%
rename from config/boards/nezha.csc
rename to config/boards/nezha.eos