diff --git a/ppdet/utils/voc_eval.py b/ppdet/utils/voc_eval.py
index 1b82928ff4ec7379fcd3b59d9735c0e9d71b11a8..4ffd91260c25b295d435caa3b07e75bc60597a8b 100644
--- a/ppdet/utils/voc_eval.py
+++ b/ppdet/utils/voc_eval.py
@@ -107,8 +107,8 @@ def bbox_eval(results,
     logger.info("Accumulating evaluatation results...")
     detection_map.accumulate()
     map_stat = 100. * detection_map.get_map()
-    logger.info("mAP({:.2f}, {}) = {:.2f}".format(overlap_thresh, map_type,
-                                                  map_stat))
+    logger.info("mAP({:.2f}, {}) = {:.2f}%".format(overlap_thresh, map_type,
+                                                   map_stat))
     return map_stat