diff --git a/project/example/ble/ble_peripheral/app/src/Mode.c b/project/example/ble/ble_peripheral/app/src/Mode.c
index f61380a..c94a739 100644
--- a/project/example/ble/ble_peripheral/app/src/Mode.c
+++ b/project/example/ble/ble_peripheral/app/src/Mode.c
@@ -155,6 +155,8 @@ void Mode0(){ //
 #define THREE_COLOR_WAIT_COLD    7U
 #define THREE_COLOR_WAIT_WARM    8U
 #define OVERLAP_GRADIENT_LEVEL   40U
+#define OVERLAP_NEUTRAL_LOW      20U
+#define OVERLAP_NEUTRAL_PEAK     50U
 
 static uint8_t breathespeed_flag=0; //该变量只是用来处理三种颜色呼吸时候，对中性光的速度变大
 static void breathe_fun(uint16_t *PWM_1, uint16_t *PWM_2, uint8_t flag) {
@@ -375,11 +377,26 @@ void Mode3(void)
 				if(C_PWM<=OVERLAP_GRADIENT_LEVEL){ C_PWM=OVERLAP_GRADIENT_LEVEL; direction=4U; }
 				break;
 			case 4U:
-				if(C_PWM>0U){ C_PWM--; W_PWM++; }
+				if(W_PWM<OVERLAP_NEUTRAL_LOW && C_PWM>OVERLAP_NEUTRAL_LOW){ W_PWM++; C_PWM--; }
 				driveMode=0U;
-				if(C_PWM==0U){ W_PWM=OVERLAP_GRADIENT_LEVEL; driveMode=1U; direction=5U; }
+				if(W_PWM>=OVERLAP_NEUTRAL_LOW){ W_PWM=OVERLAP_NEUTRAL_LOW; C_PWM=OVERLAP_NEUTRAL_LOW; direction=5U; }
 				break;
 			case 5U:
+				if(W_PWM<OVERLAP_NEUTRAL_PEAK){ W_PWM++; C_PWM++; }
+				driveMode=0U;
+				if(W_PWM>=OVERLAP_NEUTRAL_PEAK){ W_PWM=OVERLAP_NEUTRAL_PEAK; C_PWM=OVERLAP_NEUTRAL_PEAK; direction=6U; }
+				break;
+			case 6U:
+				if(W_PWM>OVERLAP_NEUTRAL_LOW){ W_PWM--; C_PWM--; }
+				driveMode=0U;
+				if(W_PWM<=OVERLAP_NEUTRAL_LOW){ W_PWM=OVERLAP_NEUTRAL_LOW; C_PWM=OVERLAP_NEUTRAL_LOW; direction=7U; }
+				break;
+			case 7U:
+				if(C_PWM>0U){ C_PWM--; W_PWM++; }
+				driveMode=0U;
+				if(C_PWM==0U){ W_PWM=OVERLAP_GRADIENT_LEVEL; driveMode=1U; direction=8U; }
+				break;
+			case 8U:
 			default:
 				C_PWM=0U; driveMode=1U;
 				if(W_PWM<100U) W_PWM++;