fix bug

@@ -67,16 +67,20 @@ def usedcar_info_compare(info_dict, ocr_res_dict, ocr_field, compare_list, res_s
                 break
             for idx, compare_tuple in enumerate(compare_list):
                 input_str = info_dict.get(compare_tuple[0])
-                ocr_str = ocr_res.get(compare_tuple[1], '')
-                compare_res = getattr(cp, compare_tuple[2])(
+                ocr_str = ocr_res.get(compare_tuple[1])
+                compare_res, ocr_output = getattr(cp, compare_tuple[2])(
                     info_dict.get(compare_tuple[0]), ocr_res.get(compare_tuple[1]), idx, **compare_tuple[3])
                 if idx == 0 and compare_res == consts.RESULT_N:
-                    no_match_vino.append(ocr_str)
+                    if ocr_str is not None:
+                        no_match_vino.append(ocr_str)
                     break
                 is_find = True
                 info_dict[compare_tuple[4]] = compare_res
                 if input_str is not None:
-                    info_dict[compare_tuple[0]] = ocr_str
+                    if ocr_str is None or ocr_output is None:
+                        del info_dict[compare_tuple[0]]
+                    else:
+                        info_dict[compare_tuple[0]] = ocr_output
                 res_set.add(compare_res)
     if not is_find:
         res_set.add(consts.RESULT_N)

@@ -82,9 +82,13 @@ class Comparison:
 
     def rmb_compare(self, input_str, ocr_str, idx, **kwargs):
         if not isinstance(input_str, str) or not isinstance(ocr_str, str):
-            return self.RESULT_N
+            return self.RESULT_N, None
         input_rmb_upper = to_rmb_upper(float(input_str))
-        return self.build_res(input_rmb_upper == ocr_str), input_str
+        res = self.build_res(input_rmb_upper == ocr_str)
+        if res == self.RESULT_Y:
+            return res, input_str
+        else:
+            return res, None
 
     def type_compare(self, input_str, ocr_str, idx, **kwargs):
         if not isinstance(input_str, str) or not isinstance(ocr_str, str):