diff --git a/examples/__init__.py b/examples/__init__.py
index 46ef33c..f1318b5 100644
--- a/examples/__init__.py
+++ b/examples/__init__.py
@@ -10,10 +10,12 @@
 from . import push_example
 from . import report_example
 from . import schedule_example
+from . import group_push_example
 
 __all__ = [
     device_example,
     push_example,
     report_example,
-    schedule_example
-]
\ No newline at end of file
+    schedule_example,
+    group_push_example
+]
diff --git a/examples/group_push_example.py b/examples/group_push_example.py
new file mode 100644
index 0000000..773d63c
--- /dev/null
+++ b/examples/group_push_example.py
@@ -0,0 +1,24 @@
+from . import jpush
+from jpush import common
+
+group_key = u'xxxxxx'
+group_secret = u'xxxxxx'
+
+group = jpush.GroupPush(group_key, group_secret)
+group.set_logging("DEBUG")
+
+def all():
+    push = group.create_push()
+    push.audience = jpush.all_
+    push.notification = jpush.notification(alert="!hello python jpush api")
+    push.platform = jpush.all_
+    try:
+        response=push.send()
+    except common.Unauthorized:
+        raise common.Unauthorized("Unauthorized")
+    except common.APIConnectionException:
+        raise common.APIConnectionException("conn")
+    except common.JPushFailure:
+        print ("JPushFailure")
+    except:
+        print ("Exception")
diff --git a/examples/report_example.py b/examples/report_example.py
index fbab71d..9b89576 100644
--- a/examples/report_example.py
+++ b/examples/report_example.py
@@ -11,4 +11,4 @@ def receivede():
     report.get_received("3289406737")
 
 def users():
-    report.get_users("DAY","2016-04-10","3")
\ No newline at end of file
+    report.get_users("DAY","2016-04-10","3")
diff --git a/examples/schedule_example.py b/examples/schedule_example.py
index 4feb20c..588d916 100644
--- a/examples/schedule_example.py
+++ b/examples/schedule_example.py
@@ -34,4 +34,4 @@ def put_schedule():
 
     trigger=jpush.schedulepayload.trigger("2016-05-17 12:00:00")
     schedulepayload=jpush.schedulepayload.schedulepayload("update a new name", True, trigger, push)
-    schedule.put_schedule(schedulepayload,"17349f00-0852-11e6-91b1-0021f653c902")
\ No newline at end of file
+    schedule.put_schedule(schedulepayload,"17349f00-0852-11e6-91b1-0021f653c902")
diff --git a/jpush/core.py b/jpush/core.py
index 7b87c25..d19a7a9 100644
--- a/jpush/core.py
+++ b/jpush/core.py
@@ -16,6 +16,7 @@
 class JPush(object):
     def __init__(self, key, secret):
         self.key = key
+        print(key)
         self.secret = secret
         self.session = requests.Session()
         self.session.auth = (key, secret)