diff --git a/screenshot32/DistributedTest/testcases/DistributedTest.py b/screenshot32/DistributedTest/testcases/DistributedTest.py
index 920df1949c4d8dac83705f9bda61ab2bccb0c049..6de35914ae4170e5d11b8295903643ef08f10c7c 100644
--- a/screenshot32/DistributedTest/testcases/DistributedTest.py
+++ b/screenshot32/DistributedTest/testcases/DistributedTest.py
@@ -39,26 +39,26 @@ class DistributedTest(TestCase):
         # 授权
         CommonOH.click(self.Phone1, 500, 706)
         CommonOH.click(self.Phone1, 500, 706)
-        CommonOH.hdc_std(self.Phone1, "shell snapshot_display -f /data/distributedcalc_step1.png")
-        CommonOH.hdc_std(self.Phone1, "file recv /data/distributedcalc_step1.png testcases\\distributedcalc_step1.png")
+        CommonOH.hdc_std(self.Phone1, "shell snapshot_display -f /data/distributedcalc_step1.jpeg")
+        CommonOH.hdc_std(self.Phone1, "file recv /data/distributedcalc_step1.jpeg testcases\\distributedcalc_step1.jpeg")
         CommonOH.click(self.Phone1, 610, 110)
         time.sleep(2)
         CommonOH.click(self.Phone1, 380, 1150)
         CommonOH.click(self.Phone1, 610, 110)
         time.sleep(2)
-        CommonOH.hdc_std(self.Phone1, "shell snapshot_display -f /data/distributedcalc_step2.png")
-        CommonOH.hdc_std(self.Phone1, "file recv /data/distributedcalc_step2.png testcases\\distributedcalc_step2.png")
+        CommonOH.hdc_std(self.Phone1, "shell snapshot_display -f /data/distributedcalc_step2.jpeg")
+        CommonOH.hdc_std(self.Phone1, "file recv /data/distributedcalc_step2.jpeg testcases\\distributedcalc_step2.jpeg")
         CommonOH.click(self.Phone1, 580, 1090)
         time.sleep(2)
-        CommonOH.hdc_std(self.Phone2, "shell snapshot_display -f /data/distributedcalc_step3.png")
-        CommonOH.hdc_std(self.Phone2, "file recv /data/distributedcalc_step3.png testcases\\distributedcalc_step3.png")
+        CommonOH.hdc_std(self.Phone2, "shell snapshot_display -f /data/distributedcalc_step3.jpeg")
+        CommonOH.hdc_std(self.Phone2, "file recv /data/distributedcalc_step3.jpeg testcases\\distributedcalc_step3.jpeg")
         #确定
         CommonOH.click(self.Phone2, 520, 520)
         CommonOH.click(self.Phone2, 520, 520)
-        CommonOH.hdc_std(self.Phone2, "shell snapshot_display -f /data/distributedcalc_step4.png")
-        CommonOH.hdc_std(self.Phone2, "file recv /data/distributedcalc_step4.png testcases\\distributedcalc_step4.png")
+        CommonOH.hdc_std(self.Phone2, "shell snapshot_display -f /data/distributedcalc_step4.jpeg")
+        CommonOH.hdc_std(self.Phone2, "file recv /data/distributedcalc_step4.jpeg testcases\\distributedcalc_step4.jpeg")
         time.sleep(2)
-        code = Orc("testcases\\distributedcalc_step4.png")
+        code = Orc("testcases\\distributedcalc_step4.jpeg")
         self.code = re.findall("[0-9]{6}", code)[0]
         #输pin码
         CommonOH.click(self.Phone1, 340, 530)
@@ -75,10 +75,10 @@ class DistributedTest(TestCase):
                 CommonOH.click(self.Phone1, 46 + j * 70, 778)
         time.sleep(1)
         CommonOH.click(self.Phone1, 60, 1145)
-        CommonOH.hdc_std(self.Phone1, "shell snapshot_display -f /data/distributedcalc_step5.png")
+        CommonOH.hdc_std(self.Phone1, "shell snapshot_display -f /data/distributedcalc_step5.jpeg")
         # 确定
         CommonOH.click(self.Phone1, 500, 600)
-        CommonOH.hdc_std(self.Phone1, "file recv /data/distributedcalc_step5.png testcases\\distributedcalc_step5.png")
+        CommonOH.hdc_std(self.Phone1, "file recv /data/distributedcalc_step5.jpeg testcases\\distributedcalc_step5.jpeg")
 
     def sub_distributed_smoke_testcase_0300(self):
         # 切入后台，结束进程
@@ -90,8 +90,8 @@ class DistributedTest(TestCase):
         # 拉起远端设备
         CommonOH.click(self.Phone1, 610, 110)
         time.sleep(3)
-        CommonOH.hdc_std(self.Phone1, "shell snapshot_display -f /data/distributedcalc_step6.png")
-        CommonOH.hdc_std(self.Phone1, "file recv /data/distributedcalc_step6.png testcases\\distributedcalc_step6.png")
+        CommonOH.hdc_std(self.Phone1, "shell snapshot_display -f /data/distributedcalc_step6.jpeg")
+        CommonOH.hdc_std(self.Phone1, "file recv /data/distributedcalc_step6.jpeg testcases\\distributedcalc_step6.jpeg")
         CommonOH.click(self.Phone1, 580, 1090)
         CommonOH.click(self.Phone1, 580, 1090)
         # 设备二授权
@@ -99,8 +99,8 @@ class DistributedTest(TestCase):
         CommonOH.click(self.Phone2, 500, 706)
         CommonOH.click(self.Phone2, 500, 706)
         # 校验远端计算器是否被拉起
-        CommonOH.hdc_std(self.Phone2, "shell snapshot_display -f /data/distributedcalc_step7.png")
-        CommonOH.hdc_std(self.Phone2, "file recv /data/distributedcalc_step7.png testcases\\distributedcalc_step7.png")
+        CommonOH.hdc_std(self.Phone2, "shell snapshot_display -f /data/distributedcalc_step7.jpeg")
+        CommonOH.hdc_std(self.Phone2, "file recv /data/distributedcalc_step7.jpeg testcases\\distributedcalc_step7.jpeg")
         CommonOH.hdc_std(self.Phone2, 'shell "aa dump -a | grep distributedcalc > /data/report.txt"')
         CommonOH.hdc_std(self.Phone2, "file recv /data/report.txt testcases\\report.txt")
         time.sleep(1)
diff --git a/screenshot32/resource/capturescreentest.py b/screenshot32/resource/capturescreentest.py
index 5f9d72cf02e5a8ee1f777823ba4560d2e7597023..1994e2fc747995abf6cca76e98b49c7991963b03 100644
--- a/screenshot32/resource/capturescreentest.py
+++ b/screenshot32/resource/capturescreentest.py
@@ -169,7 +169,7 @@ def sandbox_check(process):
 
 
 def is_image_file(filename):
-    IMG_EXTENSIONS = ['.png', '.PNG']
+    IMG_EXTENSIONS = ['.png', '.PNG', 'jpeg']
     return any(filename.endswith(extension) for extension in IMG_EXTENSIONS)
 
 def picture_save(pic_path):