diff --git a/nets/ssd_training.py b/nets/ssd_training.py
index b41fa8f0cf90dbbf56fc2bf4f525fad33323b8ce..e49b82cf705720f5441663b711326dd1028bcfde 100644
--- a/nets/ssd_training.py
+++ b/nets/ssd_training.py
@@ -115,7 +115,7 @@ class Generator(object):
         self.image_size = image_size
         self.num_classes = num_classes-1
         
-    def get_random_data(self, annotation_line, input_shape, jitter=.1, hue=.1, sat=1.1, val=1.1):
+    def get_random_data(self, annotation_line, input_shape, jitter=.3, hue=.1, sat=1.5, val=1.5):
         '''r实时数据增强的随机预处理'''
         line = annotation_line.split()
         image = Image.open(line[0])
@@ -125,7 +125,7 @@ class Generator(object):
 
         # resize image
         new_ar = w/h * rand(1-jitter,1+jitter)/rand(1-jitter,1+jitter)
-        scale = rand(.25, 2)
+        scale = rand(.5, 1.5)
         if new_ar < 1:
             nh = int(scale*h)
             nw = int(nh*new_ar)