diff --git a/base/rgb.h b/base/rgb.h
index c4269e3..db0e3f7 100644
--- a/base/rgb.h
+++ b/base/rgb.h
@@ -96,9 +96,12 @@ H_INLINE int MMRGBHexSimilarToColor(MMRGBHex h1, MMRGBHex h2, float tolerance)
 	if (tolerance <= 0.0f) {
 		return h1 == h2;
 	} else {
-		uint8_t d1 = RED_FROM_HEX(h1) - RED_FROM_HEX(h2);
-		uint8_t d2 = GREEN_FROM_HEX(h1) - GREEN_FROM_HEX(h2);
-		uint8_t d3 = BLUE_FROM_HEX(h1) - BLUE_FROM_HEX(h2);
+		// uint8_t d1 = RED_FROM_HEX(h1) - RED_FROM_HEX(h2);
+		// uint8_t d2 = GREEN_FROM_HEX(h1) - GREEN_FROM_HEX(h2);
+		// uint8_t d3 = BLUE_FROM_HEX(h1) - BLUE_FROM_HEX(h2);
+		int d1 = RED_FROM_HEX(h1) - RED_FROM_HEX(h2);
+		int d2 = GREEN_FROM_HEX(h1) - GREEN_FROM_HEX(h2);
+		int d3 = BLUE_FROM_HEX(h1) - BLUE_FROM_HEX(h2);
 		return sqrt((double)(d1 * d1) +
 		            (d2 * d2) +
 		            (d3 * d3)) <= (tolerance * 442.0f);
diff --git a/bitmap/bitmap_find_c.h b/bitmap/bitmap_find_c.h
index 01d91bd..1df90f6 100644
--- a/bitmap/bitmap_find_c.h
+++ b/bitmap/bitmap_find_c.h
@@ -86,8 +86,8 @@ static int findBitmapInRectAt(MMBitmapRef needle,
 		while (pointOffset.x <= scanWidth) {
 			/* Check offset in |haystack| for |needle|. */
 			if (needleAtOffset(needle, haystack, pointOffset, tolerance)) {
-				++pointOffset.x;
-				++pointOffset.y;
+				// ++pointOffset.x;
+				// ++pointOffset.y;
 				*point = pointOffset;
 				return 0;
 			}
diff --git a/bitmap/goBitmap.h b/bitmap/goBitmap.h
index dc6911a..4e682b0 100644
--- a/bitmap/goBitmap.h
+++ b/bitmap/goBitmap.h
@@ -58,6 +58,25 @@ MMBitmapRef bitmap_deepcopy(MMBitmapRef bitmap){
 	return bitmap == NULL ? NULL : copyMMBitmap(bitmap);
 }
 
+MMPoint bitmap_find_bitmap(MMBitmapRef bitmap, MMBitmapRef sbitmap, float tolerance){
+	MMPoint point = {-1, -1};
+	// printf("tolenrance=%f\n", tolerance);
+	if (!bitmap_ready(sbitmap) || !bitmap_ready(bitmap)) {
+		printf("bitmap is not ready yet!\n");
+		return point;
+	}
+
+	MMRect rect = MMBitmapGetBounds(sbitmap);
+	// printf("x=%d,y=%d,width=%d,height=%d\n", rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
+
+	if (findBitmapInRect(bitmap, sbitmap, &point,
+	                     rect, tolerance) == 0) {
+		return point;
+	}
+
+	return point;
+}
+
 MMPoint aFindBitmap(MMBitmapRef bit_map, MMRect rect){
 	// MMRect rect;
 	// rect.size.width = 10;
@@ -92,8 +111,6 @@ MMBitmapRef bitmap_open(char *path, uint16_t ttype){
 char *bitmap_save(MMBitmapRef bitmap, char *path, uint16_t type){
 	if (saveMMBitmapToFile(bitmap, path, (MMImageType) type) != 0) {
 		return "Could not save image to file.";
-	}else{
-		saveMMBitmapToFile(bitmap, path, (MMImageType) type);
 	}
 	//destroyMMBitmap(bitmap);
 	return "ok";
diff --git a/robotgo.go b/robotgo.go
index 0f2de64..5ae29c9 100644
--- a/robotgo.go
+++ b/robotgo.go
@@ -55,7 +55,7 @@ import (
 )
 
 const (
-	version string = "v0.45.0.371, Mount Qomolangma!"
+	version string = "v0.45.0.374, Mount Qomolangma!"
 )
 
 // GetVersion get version
@@ -571,6 +571,32 @@ func SetKeyboardDelay(x int) {
 |______/  |__|     |__|     |__|  |__| /__/     \__\ | _|
 */
 
+// FindBit find the bitmap
+func FindBit(args ...interface{}) (int, int) {
+	var (
+		bit       C.MMBitmapRef
+		sbit      C.MMBitmapRef
+		tolerance C.float
+	)
+
+	bit = args[0].(C.MMBitmapRef)
+	if len(args) > 1 {
+		sbit = args[1].(C.MMBitmapRef)
+	} else {
+		sbit = CaptureScreen()
+	}
+
+	if len(args) > 2 {
+		tolerance = C.float(args[2].(float32))
+	} else {
+		tolerance = 0.5
+	}
+
+	pos := C.bitmap_find_bitmap(bit, sbit, tolerance)
+	// fmt.Println("pos----", pos)
+	return int(pos.x), int(pos.y)
+}
+
 // FindBitmap find the bitmap
 func FindBitmap(args ...interface{}) (int, int) {
 	var bit C.MMBitmapRef