fix: unittest

hrp/pkg/uixt/algorithm.go

@@ -64,7 +64,10 @@ type ImageTemplate struct {
 }
 
 func NewImageTemplate(filepath string) ImageTemplate {
-	return ImageTemplate{FilePath: filepath}
+	return ImageTemplate{
+		FilePath:  filepath,
+		rawBuffer: bytes.NewBuffer([]byte{}),
+	}
 }
 
 func (i *ImageTemplate) read() (imageBuffer *bytes.Buffer, err error) {

hrp/pkg/uixt/im_vedem.go

@@ -58,7 +58,7 @@ func checkIMEnv() error {
 }
 
 func convertBase64(imgByte []byte) (baseImg string) {
-	return base64.StdEncoding.EncodeToString(imgByte)
+	return base64.RawStdEncoding.EncodeToString(imgByte)
 }
 
 func (s *veDEMIMService) getIMResult(searchImage []byte, sourceImage []byte) ([]IMResult, error) {