diff --git a/vislib/models.py b/vislib/models.py
index f545328..efba69f 100644
--- a/vislib/models.py
+++ b/vislib/models.py
@@ -3,67 +3,67 @@ from django.contrib.auth.models import User
 from django.utils import timezone
 
 def default_datetime():
-    now = timezone.now()
-    return now
+  now = timezone.now()
+  return now
 
 class SourceDataBase(models.Model):
-    host = models.CharField(max_length=32)
-    port = models.IntegerField()
-    username = models.CharField(max_length=32)
-    password = models.CharField(max_length=256)
-    database = models.CharField(max_length=32)
-    base_alias = models.CharField(max_length=32)
-    creator = models.ForeignKey(User, on_delete=models.CASCADE)
-    source_id = models.CharField(max_length=64, primary_key=True)
-    is_private = models.BooleanField(default=True)
-    status = models.IntegerField(default=1)
-    created_at = models.DateTimeField(db_index=True, default=default_datetime)
-    updated_at = models.DateTimeField(db_index=True, null=False)
+  host = models.CharField(max_length=32)
+  port = models.IntegerField()
+  username = models.CharField(max_length=32)
+  password = models.CharField(max_length=256)
+  database = models.CharField(max_length=32)
+  base_alias = models.CharField(max_length=32)
+  creator = models.ForeignKey(User, on_delete=models.CASCADE)
+  source_id = models.CharField(max_length=64, primary_key=True)
+  is_private = models.BooleanField(default=True)
+  status = models.IntegerField(default=1)
+  created_at = models.DateTimeField(db_index=True, default=default_datetime)
+  updated_at = models.DateTimeField(db_index=True, null=False)
 
 class SourceDataTable(models.Model):
-    database = models.ForeignKey(SourceDataBase, on_delete=models.CASCADE)
-    table = models.CharField(max_length=32)
-    table_alias = models.CharField(max_length=32)
-    status = models.IntegerField(default=1)
-    creator = models.ForeignKey(User, on_delete=models.CASCADE)
-    id = models.CharField(max_length=64, primary_key=True)
-    created_at = models.DateTimeField(db_index=True, default=default_datetime)
-    updated_at = models.DateTimeField(db_index=True, null=False)
+  database = models.ForeignKey(SourceDataBase, on_delete=models.CASCADE)
+  table = models.CharField(max_length=32)
+  table_alias = models.CharField(max_length=32)
+  status = models.IntegerField(default=1)
+  creator = models.ForeignKey(User, on_delete=models.CASCADE)
+  id = models.CharField(max_length=64, primary_key=True)
+  created_at = models.DateTimeField(db_index=True, default=default_datetime)
+  updated_at = models.DateTimeField(db_index=True, null=False)
 
 # Create your models here.
 class Chart(models.Model):
-    chart_id = models.CharField(max_length=64, primary_key=True)
-    chart_name = models.CharField(max_length=128)
-    source_id = models.ForeignKey(SourceDataBase, on_delete=models.CASCADE)
-    desc = models.CharField(max_length=512, null=True)
-    content = models.TextField()
-    is_private = models.BooleanField()
-    status = models.IntegerField()
-    creator = models.ForeignKey(User, on_delete=models.CASCADE)
-    created_at = models.DateTimeField(db_index=True, default=default_datetime)
-    updated_at = models.DateTimeField(db_index=True, null=False)
+  chart_id = models.CharField(max_length=64, primary_key=True)
+  chart_name = models.CharField(max_length=128)
+  source_id = models.ForeignKey(SourceDataBase, on_delete=models.CASCADE)
+  desc = models.CharField(max_length=512, null=True)
+  content = models.TextField()
+  is_private = models.BooleanField()
+  status = models.IntegerField()
+  creator = models.ForeignKey(User, on_delete=models.CASCADE)
+  created_at = models.DateTimeField(db_index=True, default=default_datetime)
+  updated_at = models.DateTimeField(db_index=True, null=False)
 
 class Dashboard(models.Model):
-    dashboard_id = models.CharField(max_length=64, primary_key=True)
-    name = models.CharField(max_length=128)
-    desc = models.CharField(max_length=512, null=True)
-    content = models.TextField()
-    is_private = models.BooleanField()
-    status = models.IntegerField()
-    creator = models.ForeignKey(User, on_delete=models.CASCADE)
-    created_at = models.DateTimeField(db_index=True, default=default_datetime)
-    updated_at = models.DateTimeField(db_index=True, null=False)
+  dashboard_id = models.CharField(max_length=64, primary_key=True)
+  name = models.CharField(max_length=128)
+  desc = models.CharField(max_length=512, null=True)
+  content = models.TextField()
+  is_private = models.BooleanField()
+  status = models.IntegerField()
+  creator = models.ForeignKey(User, on_delete=models.CASCADE)
+  created_at = models.DateTimeField(db_index=True, default=default_datetime)
+  updated_at = models.DateTimeField(db_index=True, null=False)
 
 class ChartBoardMap(models.Model):
-    chart = models.ForeignKey(Chart, on_delete=models.CASCADE)
-    dashboard = models.ForeignKey(Dashboard, on_delete=models.CASCADE)
-    id = models.CharField(max_length=64, primary_key=True)
-    created_at = models.DateTimeField(db_index=True, default=default_datetime)
-    updated_at = models.DateTimeField(db_index=True, null=False)
+  chart = models.ForeignKey(Chart, on_delete=models.CASCADE)
+  dashboard = models.ForeignKey(Dashboard, on_delete=models.CASCADE)
+  id = models.CharField(max_length=64, primary_key=True)
+  created_at = models.DateTimeField(db_index=True, default=default_datetime)
+  updated_at = models.DateTimeField(db_index=True, null=False)
 
 class BoardOrder(models.Model):
-    creator = models.ForeignKey(User, on_delete=models.CASCADE)
-    order = models.TextField()
-    id = models.CharField(max_length=64, primary_key=True)
-    created_at = models.DateTimeField(db_index=True, default=default_datetime)
-    updated_at = models.DateTimeField(db_index=True, null=False)
+  creator = models.ForeignKey(User, on_delete=models.CASCADE)
+  order = models.TextField()
+  id = models.CharField(max_length=64, primary_key=True)
+  created_at = models.DateTimeField(db_index=True, default=default_datetime)
+  updated_at = models.DateTimeField(db_index=True, null=False)
diff --git a/vislib/views/source.py b/vislib/views/source.py
index e855313..c047514 100644
--- a/vislib/views/source.py
+++ b/vislib/views/source.py
@@ -93,14 +93,15 @@ def sourceDetail(request, sourceId):
 def sourceTables(request, sourceId):
   json_data = []
   try:
-    tables = SourceDataTable.objects.get(database=sourceId)
-    tables = serializers.serialize('json', [tables])
+    tables = SourceDataTable.objects.filter(database=sourceId)
+
+    tables = serializers.serialize('json', tables)
     tables = json.loads(tables)
     for table in tables:
       json_data.append(table['fields'])
 
-  except:
-    print('no linked tables before')
+  except Exception as e:
+    print('no linked tables before', e)
 
   source = SourceDataBase.objects.get(source_id=sourceId)
   source = serializers.serialize('json', [source])
@@ -161,17 +162,15 @@ def sourceTableSave(request):
 @csrf_exempt
 def sourceLinkedTables(request, sourceId):
   try:
-    tables = SourceDataTable.objects.get(database=sourceId)
-    print(tables)
-    tables = serializers.serialize('json', [tables])
-    print(tables)
+    tables = SourceDataTable.objects.filter(database=sourceId)
+    tables = serializers.serialize('json', tables)
     tables = json.loads(tables)
-    print(tables)
     json_data = []
     for table in tables:
       json_data.append(table['fields'])
-  except:
+  except Exception as e:
     json_data = []
+    printz(e)
 
 
   return JsonResponse({'code': 20000, 'message': 'success', 'data': json_data })