diff --git a/deploy/cpp_infer/src/preprocess_op.cpp b/deploy/cpp_infer/src/preprocess_op.cpp
index b44e9d022f2dcfb390cb28a7f34e0ba4b031832d..494b774ad0b2ecf73e555b2c31c250b7b0730c65 100644
--- a/deploy/cpp_infer/src/preprocess_op.cpp
+++ b/deploy/cpp_infer/src/preprocess_op.cpp
@@ -85,7 +85,7 @@ void ResizeImgType0::Run(const cv::Mat &img, cv::Mat &resize_img,
 
   if (resize_w % 32 == 0)
     resize_w = resize_w;
-  else if (resize_w / 32 < 1)
+  else if (resize_w / 32 < 1 + 1e-5)
     resize_w = 32;
   else
     resize_w = (resize_w / 32 - 1) * 32;
@@ -138,4 +138,4 @@ void ClsResizeImg::Run(const cv::Mat &img, cv::Mat &resize_img,
   }
 }
 
-} // namespace PaddleOCR
\ No newline at end of file
+} // namespace PaddleOCR