diff --git a/DAC.h b/DAC.h
index 6cfe858c..e069f720 100644
--- a/DAC.h
+++ b/DAC.h
@@ -2,7 +2,10 @@
 #define __DAC_H__
 
 #include "Port.h"
+
+#if defined(STM32F1)
 #include "stm32f10x_dac.h"
+#endif
 
 /*
 STM32F1：