diff --git a/hrp/pkg/uixt/algorithm.go b/hrp/pkg/uixt/algorithm.go
index d7721853..00a5d83e 100644
--- a/hrp/pkg/uixt/algorithm.go
+++ b/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) {
diff --git a/hrp/pkg/uixt/im_vedem.go b/hrp/pkg/uixt/im_vedem.go
index 24b19342..da57def9 100644
--- a/hrp/pkg/uixt/im_vedem.go
+++ b/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) {