diff --git a/source/.vscode/settings.json b/source/.vscode/settings.json
index 42f38f6..66f1fe3 100644
--- a/source/.vscode/settings.json
+++ b/source/.vscode/settings.json
@@ -6,6 +6,7 @@
         "type.h": "c",
         "main.h": "c",
         "bsp_config_delay.h": "c",
-        "bsp_key.h": "c"
+        "bsp_key.h": "c",
+        "stc_macro.H": "cpp"
     }
 }
\ No newline at end of file
diff --git a/source/bsp/bsp_key.c b/source/bsp/bsp_key.c
index 9f7e8a7..853b573 100644
--- a/source/bsp/bsp_key.c
+++ b/source/bsp/bsp_key.c
@@ -7,12 +7,15 @@ U8 bsp_key_init(void)
 	D_stdIO_P1(BITN7);
 	D_stdIO_P0(BITN6);
 	D_stdIO_P4(BITN3);
-	D_HighR_P1(BITN0);
-	D_HighR_P0(BITN7);
-	D_HighR_P1(BITN3);
-	D_HighR_P2(BITN0);
+	
+	D_stdIO_P1(BITN0);
+	D_stdIO_P0(BITN7);
+	D_stdIO_P1(BITN3);
+	D_stdIO_P2(BITN0);
 
+	//初始化为高电平
 	KR1 = KR2 = KR3 = KR4 = 1;
+	//初始化为高电平
 	KC1 = KC2 = KC3 = KC4 = 1;
 
 	return 0;
@@ -20,19 +23,19 @@ U8 bsp_key_init(void)
 
 void scan_row(U8 r)
 {
-	KR1 = 0;
-	KR2 = 0;
-	KR3 = 0;
-	KR4 = 0;
+	KR1 = 1;
+	KR2 = 1;
+	KR3 = 1;
+	KR4 = 1;
 	switch(r){
 		case 1:
-			KR1 = 1;break;
+			KR1 = 0;break;
 		case 2:
-			KR2 = 1;break;
+			KR2 = 0;break;
 		case 3:
-			KR3 = 1;break;
+			KR3 = 0;break;
 		case 4:
-			KR4 = 1;break;
+			KR4 = 0;break;
 		default:
 			break;
 	}
@@ -42,45 +45,45 @@ U8 scan_col(U8 c)
 {
 	if(c == 1)
 	{
-		if(KC1 == 1)
+		if(KC1 == 0)
 		{
 			delayInMs(10);
-			if(KC1 == 1)
+			if(KC1 == 0)
 			{
-				while(KC1 == 1);
+				while(KC1 == 0);
 				return 1;
 			}
 		}
 	}
 	else if(c == 2){
-		if(KC2 == 1)
+		if(KC2 == 0)
 		{
 			delayInMs(10);
-			if(KC2 == 1)
+			if(KC2 == 0)
 			{
-				while(KC2 == 1);
+				while(KC2 == 0);
 				return 1;
 			}
 		}
 	}
 	else if(c == 3){
-		if(KC3 == 1)
+		if(KC3 == 0)
 		{
 			delayInMs(10);
-			if(KC3 == 1)
+			if(KC3 == 0)
 			{
-				while(KC3 == 1);
+				while(KC3 == 0);
 				return 1;
 			}
 		}
 	}
 	else if(c == 4){
-		if(KC4 == 1)
+		if(KC4 == 0)
 		{
 			delayInMs(10);
-			if(KC4 == 1)
+			if(KC4 == 0)
 			{
-				while(KC4 == 1);
+				while(KC4 == 0);
 				return 1;
 			}
 		}
@@ -106,44 +109,44 @@ U8 bsp_key_scan(void)
 		return 3;
 	}
 
-	// //扫描第2行
-	// scan_row(2);
-	// if(scan_col(1) > 0){
-	// 	key = 4;
-	// }
-	// if(scan_col(2) > 0){
-	// 	key = 5;
-	// }
-	// if(scan_col(3) > 0){
-	// 	key = 6;
-	// }
-	// if(scan_col(4) > 0){
-	// 	key = 7;
-	// }
+	//扫描第2行
+	scan_row(2);
+	if(scan_col(1) > 0){
+		key = 4;
+	}
+	if(scan_col(2) > 0){
+		key = 5;
+	}
+	if(scan_col(3) > 0){
+		key = 6;
+	}
+	if(scan_col(4) > 0){
+		key = 7;
+	}
 
-	// //扫描第3行
-	// scan_row(3);
-	// if(scan_col(1) > 0){
-	// 	key = 8;
-	// }
-	// if(scan_col(2) > 0){
-	// 	key = 9;
-	// }
-	// if(scan_col(3) > 0){
-	// 	key = 10;
-	// }
-	// if(scan_col(4) > 0){
-	// 	key = 11;
-	// }
+	//扫描第3行
+	scan_row(3);
+	if(scan_col(1) > 0){
+		key = 8;
+	}
+	if(scan_col(2) > 0){
+		key = 9;
+	}
+	if(scan_col(3) > 0){
+		key = 10;
+	}
+	if(scan_col(4) > 0){
+		key = 11;
+	}
 
-	// //扫描第4行
-	// scan_row(4);
-	// if(scan_col(1) > 0){
-	// 	key = 12;
-	// }
-	// if(scan_col(2) > 0){
-	// 	key = 13;
-	// }
+	//扫描第4行
+	scan_row(4);
+	if(scan_col(1) > 0){
+		key = 12;
+	}
+	if(scan_col(2) > 0){
+		key = 13;
+	}
 	// if(scan_col(KC3) > 0){
 	// 	key = 14;
 	// }