diff --git a/Module/LORA/sx127x.h b/Module/LORA/sx127x.h
index cf50b3f..0063ed0 100644
--- a/Module/LORA/sx127x.h
+++ b/Module/LORA/sx127x.h
@@ -767,6 +767,8 @@ typedef struct {
 
 #define CH0		LORA_FREQ_BASE		//出厂默认频率
 
+//#define USE_LORA_CH		1
+
 #if defined(USE_LORA_CH)
 #if (USE_LORA_CH >= 0 && USE_LORA_CH < LORA_CHANNEL_CNT)
 #define	FREQ_CENT				(LORA_FREQ_BASE + (uint32_t)(USE_LORA_CH) * LORA_FREQ_STEP)