diff --git a/test/test_realtime.py b/test/test_realtime.py
index ffeeba0..57ca527 100644
--- a/test/test_realtime.py
+++ b/test/test_realtime.py
@@ -12,7 +12,13 @@ def test_realtime_field(self):
             twstock.mock.get_stock_info('2330').keys())
 
     def test_realtime_get_raw(self):
-        self.assertIn('msgArray', realtime.get_raw('2330'))
+        retry = 5
+        for _ in range(retry):
+            stock = realtime.get_raw('2330')
+            if stock['rtcode'] == '0000' and stock['rtmessage'] != 'OK':
+                continue
+            self.assertIn('msgArray', realtime.get_raw('2330'))
+            break
 
     def test_realtime_get_blank(self):
         stock = realtime.get('')
diff --git a/twstock/realtime.py b/twstock/realtime.py
index 798378b..226a3fb 100644
--- a/twstock/realtime.py
+++ b/twstock/realtime.py
@@ -86,7 +86,7 @@ def get_raw(stocks) -> dict:
             return {'rtmessage': 'json decode error', 'rtcode': '5000'}
 
 
-def get(stocks, retry=3):
+def get(stocks, retry=10):
     # Prepare data
     data = get_raw(stocks) if not mock else twstock.mock.get(stocks)
 
@@ -94,7 +94,7 @@ def get(stocks, retry=3):
     data['success'] = False
 
     # JSONdecode error, could be too fast, retry
-    if data['rtcode'] == '5000':
+    if data['rtcode'] == '0000':
         # XXX: Stupit retry, you will dead here
         if retry:
             return get(stocks, retry - 1)