diff --git a/ppocr/data/det/db_process.py b/ppocr/data/det/db_process.py
index cdb8efc2bd9028ff5fc004f13b6505db5d74328c..b64b8c8d227f293aff0eff90d1d85dee8dd85fce 100644
--- a/ppocr/data/det/db_process.py
+++ b/ppocr/data/det/db_process.py
@@ -194,8 +194,12 @@ class DBProcessTest(object):
         img_std = [0.229, 0.224, 0.225]
         im = im.astype(np.float32, copy=False)
         im = im / 255
-        im -= img_mean
-        im /= img_std
+        im[:, :, 0] -= img_mean[0]
+        im[:, :, 1] -= img_mean[1]
+        im[:, :, 2] -= img_mean[2]
+        im[:, :, 0] /= img_std[0]
+        im[:, :, 1] /= img_std[1]
+        im[:, :, 2] /= img_std[2]
         channel_swap = (2, 0, 1)
         im = im.transpose(channel_swap)
         return im
diff --git a/ppocr/data/rec/img_tools.py b/ppocr/data/rec/img_tools.py
index 76c4315a887db11f6d543666d08b0ed60ebce698..d41abd9ba5c867853984b4b3b4c9eda41ebeff7c 100755
--- a/ppocr/data/rec/img_tools.py
+++ b/ppocr/data/rec/img_tools.py
@@ -360,7 +360,7 @@ def process_image(img,
         text = char_ops.encode(label)
         if len(text) == 0 or len(text) > max_text_length:
             logger.info(
-                "Warning in ppocr/data/rec/img_tools.py:line106: Wrong data type."
+                "Warning in ppocr/data/rec/img_tools.py:line362: Wrong data type."
                 "Excepted string with length between 1 and {}, but "
                 "got '{}'. Label is '{}'".format(max_text_length,
                                                  len(text), label))