default channel order of OpenCV is BGR

producer/meta.go

@@ -2,7 +2,7 @@ package imageproc
 
 import (
 	"encoding/xml"
-	"io/ioutil"
+	"os"
 )
 
 // 定义与XML结构对应的Go结构体
@@ -61,7 +61,7 @@ func WriteProductMeta(productMeta *ProductMeta, filename string) error {
 		return err
 	}
 
-	err = ioutil.WriteFile(filename, output, 0644)
+	err = os.WriteFile(filename, output, 0644)
 	if err != nil {
 		return err
 	}