diff --git a/Hyt2/BSP/Driver/tmc2160/tmc2160.c b/Hyt2/BSP/Driver/tmc2160/tmc2160.c
index ed6a68b..9f6c59f 100644
--- a/Hyt2/BSP/Driver/tmc2160/tmc2160.c
+++ b/Hyt2/BSP/Driver/tmc2160/tmc2160.c
@@ -576,7 +576,7 @@ char tmc2160_write_register(char choice, unsigned char mode, unsigned char data)
       buff[1] = tmc2160_chopconf_data(data);
       #ifdef PTZ_SUPER_LIGHT_WORM_STEP_TMC2160_AS5047D_24V
       buff[2] = 0xec;//ed,,高4为被动快速衰减时间，可降低中程共振
-      buff[3] = 0xc3;//03
+      buff[3] = 0x43;//03
       buff[4] = 0x38;//C3
       #endif
       
@@ -596,7 +596,7 @@ char tmc2160_write_register(char choice, unsigned char mode, unsigned char data)
     case TMC2160_VDCMIN:    //22:8位有效   
       buff[0] = TMC2160_VDCMIN +0x80;
       buff[1] = 0x00;
-      buff[2] = 0x03;
+      buff[2] = 0x04;
       buff[3] = 0xff;
       buff[4] = 0x00;
       if(choice == TMC2160_HORI)
@@ -612,7 +612,7 @@ char tmc2160_write_register(char choice, unsigned char mode, unsigned char data)
       buff[1] = 0x00;
       buff[2] = 0x00;
       buff[3] = 0x00;
-      buff[4] = 0x19;
+      buff[4] = 0x11;
       if(choice == TMC2160_HORI)
       {
         hori_regis.chop_conf = tmc2160_write_hori_data(choice, buff[0],buff[1],buff[2],buff[3],buff[4]);