diff --git a/test/test_realtime.py b/test/test_realtime.py
index ffeeba0..73f7513 100644
--- a/test/test_realtime.py
+++ b/test/test_realtime.py
@@ -7,26 +7,39 @@
 
 class RealtimeTest(unittest.TestCase):
     def test_realtime_field(self):
+        retry = 5
+        for _ in range(retry):
+            stock = realtime.get_raw('2330')
+            if stock['rtcode'] == '0000' and stock['rtmessage'] != 'OK':
+                continue
+            break
+
         self.assertCountEqual(
-            realtime.get_raw('2330').keys(),
+            stock.keys(),
             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('')
 
         self.assertFalse(stock['success'])
-        self.assertIn('rtmessage', stock)
-        self.assertIn('rtcode', stock)
+        self.assertEqual(stock['rtcode'], '0000')
+        self.assertNotEqual(stock['rtmessage'], 'OK')
 
     def test_realtime_get_bad_id(self):
         stock = realtime.get('9999')
 
         self.assertFalse(stock['success'])
-        self.assertIn('rtmessage', stock)
-        self.assertIn('rtcode', stock)
+        self.assertEqual(stock['rtcode'], '5001')
+        self.assertEqual(stock['rtmessage'], 'Empty Query.')
 
         stock = realtime.get(['9999', '8888'])
 
diff --git a/twstock/realtime.py b/twstock/realtime.py
index 798378b..2195014 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' and data['rtmessage'] != 'OK':
         # XXX: Stupit retry, you will dead here
         if retry:
             return get(stocks, retry - 1)