fix bug

@@ -188,6 +188,12 @@ class Command(BaseCommand, LoggerMixin):
             self.folder_log.error('{0} [wb build error] [path={1}] [error={2}]'.format(
                 self.log_base, excel_path, traceback.format_exc()))
 
+    def basename(self, path):
+        # A basename() variant which first strips the trailing slash, if present.
+        # Thus we always get the last component of the path, even for directories.
+        sep = os.path.sep + (os.path.altsep or '')
+        return os.path.basename(path.rstrip(sep))
+
     def ocr_process(self, img_path, classify, all_res, seperate_dir):
         if os.path.exists(img_path):
             # TODO 图片验证
@@ -225,7 +231,9 @@ class Command(BaseCommand, LoggerMixin):
                                     if ocr_data.get('classify') == classify:
                                         if seperate_dir is not None:
                                             os.makedirs(seperate_dir, exist_ok=True)
-                                            shutil.move(img_path, seperate_dir)
+                                            real_dst = os.path.join(seperate_dir, self.basename(img_path))
+                                            if not os.path.exists(real_dst):
+                                                shutil.move(img_path, seperate_dir)
                                         if classify in consts.LICENSE_CLASSIFY_SET_1:
                                             self.license1_process(ocr_data, all_res, classify)
                                         elif classify in consts.LICENSE_CLASSIFY_SET_2: