diff --git a/src/connector/python/linux/python2/setup.py b/src/connector/python/linux/python2/setup.py
index 4a829f36c4..d1fca047c6 100644
--- a/src/connector/python/linux/python2/setup.py
+++ b/src/connector/python/linux/python2/setup.py
@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="taos",
-    version="2.0.6",
+    version="2.0.7",
     author="Taosdata Inc.",
     author_email="support@taosdata.com",
     description="TDengine python client package",
diff --git a/src/connector/python/linux/python2/taos/cinterface.py b/src/connector/python/linux/python2/taos/cinterface.py
index 555cc3435b..4367947341 100644
--- a/src/connector/python/linux/python2/taos/cinterface.py
+++ b/src/connector/python/linux/python2/taos/cinterface.py
@@ -22,10 +22,10 @@ def _crow_timestamp_to_python(data, num_of_rows, nbytes=None, micro=False):
 
     if num_of_rows > 0:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
     else:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
 
 
 def _crow_bool_to_python(data, num_of_rows, nbytes=None, micro=False):
@@ -145,10 +145,10 @@ def _crow_bigint_to_python(data, num_of_rows, nbytes=None, micro=False):
     """
     if num_of_rows > 0:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
     else:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
 
 
 def _crow_bigint_unsigned_to_python(
@@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
 
 
@@ -600,7 +600,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_INT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BIGINT):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_FLOAT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_float))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_DOUBLE):
@@ -608,7 +608,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BINARY):
     #         return (ctypes.cast(data,  ctypes.POINTER(ctypes.c_char))[0:byte]).rstrip('\x00')
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_TIMESTAMP):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_NCHAR):
     #         return (ctypes.cast(data,  ctypes.c_char_p).value).rstrip('\x00')
 
diff --git a/src/connector/python/linux/python3/setup.py b/src/connector/python/linux/python3/setup.py
index a865f5df85..296e79b973 100644
--- a/src/connector/python/linux/python3/setup.py
+++ b/src/connector/python/linux/python3/setup.py
@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="taos",
-    version="2.0.5",
+    version="2.0.7",
     author="Taosdata Inc.",
     author_email="support@taosdata.com",
     description="TDengine python client package",
diff --git a/src/connector/python/linux/python3/taos/cinterface.py b/src/connector/python/linux/python3/taos/cinterface.py
index 555cc3435b..4367947341 100644
--- a/src/connector/python/linux/python3/taos/cinterface.py
+++ b/src/connector/python/linux/python3/taos/cinterface.py
@@ -22,10 +22,10 @@ def _crow_timestamp_to_python(data, num_of_rows, nbytes=None, micro=False):
 
     if num_of_rows > 0:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
     else:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
 
 
 def _crow_bool_to_python(data, num_of_rows, nbytes=None, micro=False):
@@ -145,10 +145,10 @@ def _crow_bigint_to_python(data, num_of_rows, nbytes=None, micro=False):
     """
     if num_of_rows > 0:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
     else:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
 
 
 def _crow_bigint_unsigned_to_python(
@@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
 
 
@@ -600,7 +600,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_INT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BIGINT):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_FLOAT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_float))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_DOUBLE):
@@ -608,7 +608,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BINARY):
     #         return (ctypes.cast(data,  ctypes.POINTER(ctypes.c_char))[0:byte]).rstrip('\x00')
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_TIMESTAMP):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_NCHAR):
     #         return (ctypes.cast(data,  ctypes.c_char_p).value).rstrip('\x00')
 
diff --git a/src/connector/python/linux/python3/taos/cursor.py b/src/connector/python/linux/python3/taos/cursor.py
index 2e7c362d54..32dc0ea3c3 100644
--- a/src/connector/python/linux/python3/taos/cursor.py
+++ b/src/connector/python/linux/python3/taos/cursor.py
@@ -1,7 +1,6 @@
 from .cinterface import CTaosInterface
 from .error import *
 from .constants import FieldType
-import threading
 
 # querySeqNum = 0
 
@@ -38,7 +37,6 @@ class TDengineCursor(object):
         self._block_iter = 0
         self._affected_rows = 0
         self._logfile = ""
-        self._threadId = threading.get_ident()
 
         if connection is not None:
             self._connection = connection
@@ -105,12 +103,6 @@ class TDengineCursor(object):
     def execute(self, operation, params=None):
         """Prepare and execute a database operation (query or command).
         """
-        # if threading.get_ident() != self._threadId:
-        #     info ="Cursor execute:Thread ID not match,creater:"+str(self._threadId)+" caller:"+str(threading.get_ident())
-        #     raise OperationalError(info)
-        # print(info)
-        # return None
-
         if not operation:
             return None
 
@@ -280,12 +272,6 @@ class TDengineCursor(object):
     def _handle_result(self):
         """Handle the return result from query.
         """
-        # if threading.get_ident() != self._threadId:
-        #     info = "Cursor handleresult:Thread ID not match,creater:"+str(self._threadId)+" caller:"+str(threading.get_ident())
-        #     raise OperationalError(info)
-        # print(info)
-        # return None
-
         self._description = []
         for ele in self._fields:
             self._description.append(
diff --git a/src/connector/python/osx/python3/setup.py b/src/connector/python/osx/python3/setup.py
index a6b97f753c..9bce1a976f 100644
--- a/src/connector/python/osx/python3/setup.py
+++ b/src/connector/python/osx/python3/setup.py
@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="taos",
-    version="2.0.5",
+    version="2.0.7",
     author="Taosdata Inc.",
     author_email="support@taosdata.com",
     description="TDengine python client package",
diff --git a/src/connector/python/osx/python3/taos/cinterface.py b/src/connector/python/osx/python3/taos/cinterface.py
index 6f56cf0c5e..dca9bd42e8 100644
--- a/src/connector/python/osx/python3/taos/cinterface.py
+++ b/src/connector/python/osx/python3/taos/cinterface.py
@@ -22,10 +22,10 @@ def _crow_timestamp_to_python(data, num_of_rows, nbytes=None, micro=False):
 
     if num_of_rows > 0:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
     else:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
 
 
 def _crow_bool_to_python(data, num_of_rows, nbytes=None, micro=False):
@@ -145,10 +145,10 @@ def _crow_bigint_to_python(data, num_of_rows, nbytes=None, micro=False):
     """
     if num_of_rows > 0:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
     else:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
 
 
 def _crow_bigint_unsigned_to_python(
@@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
 
 
@@ -600,7 +600,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_INT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BIGINT):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_FLOAT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_float))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_DOUBLE):
@@ -608,7 +608,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BINARY):
     #         return (ctypes.cast(data,  ctypes.POINTER(ctypes.c_char))[0:byte]).rstrip('\x00')
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_TIMESTAMP):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_NCHAR):
     #         return (ctypes.cast(data,  ctypes.c_char_p).value).rstrip('\x00')
 
diff --git a/src/connector/python/osx/python3/taos/cursor.py b/src/connector/python/osx/python3/taos/cursor.py
index 2e7c362d54..32dc0ea3c3 100644
--- a/src/connector/python/osx/python3/taos/cursor.py
+++ b/src/connector/python/osx/python3/taos/cursor.py
@@ -1,7 +1,6 @@
 from .cinterface import CTaosInterface
 from .error import *
 from .constants import FieldType
-import threading
 
 # querySeqNum = 0
 
@@ -38,7 +37,6 @@ class TDengineCursor(object):
         self._block_iter = 0
         self._affected_rows = 0
         self._logfile = ""
-        self._threadId = threading.get_ident()
 
         if connection is not None:
             self._connection = connection
@@ -105,12 +103,6 @@ class TDengineCursor(object):
     def execute(self, operation, params=None):
         """Prepare and execute a database operation (query or command).
         """
-        # if threading.get_ident() != self._threadId:
-        #     info ="Cursor execute:Thread ID not match,creater:"+str(self._threadId)+" caller:"+str(threading.get_ident())
-        #     raise OperationalError(info)
-        # print(info)
-        # return None
-
         if not operation:
             return None
 
@@ -280,12 +272,6 @@ class TDengineCursor(object):
     def _handle_result(self):
         """Handle the return result from query.
         """
-        # if threading.get_ident() != self._threadId:
-        #     info = "Cursor handleresult:Thread ID not match,creater:"+str(self._threadId)+" caller:"+str(threading.get_ident())
-        #     raise OperationalError(info)
-        # print(info)
-        # return None
-
         self._description = []
         for ele in self._fields:
             self._description.append(
diff --git a/src/connector/python/windows/python2/setup.py b/src/connector/python/windows/python2/setup.py
index 333f5bedad..47d374fe67 100644
--- a/src/connector/python/windows/python2/setup.py
+++ b/src/connector/python/windows/python2/setup.py
@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="taos",
-    version="2.0.4",
+    version="2.0.7",
     author="Taosdata Inc.",
     author_email="support@taosdata.com",
     description="TDengine python client package",
diff --git a/src/connector/python/windows/python2/taos/cinterface.py b/src/connector/python/windows/python2/taos/cinterface.py
index d8cdce2ad1..ec72474df9 100644
--- a/src/connector/python/windows/python2/taos/cinterface.py
+++ b/src/connector/python/windows/python2/taos/cinterface.py
@@ -22,10 +22,10 @@ def _crow_timestamp_to_python(data, num_of_rows, nbytes=None, micro=False):
 
     if num_of_rows > 0:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
     else:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
 
 
 def _crow_bool_to_python(data, num_of_rows, nbytes=None, micro=False):
@@ -145,10 +145,10 @@ def _crow_bigint_to_python(data, num_of_rows, nbytes=None, micro=False):
     """
     if num_of_rows > 0:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
     else:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
 
 
 def _crow_bigint_unsigned_to_python(
@@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
 
 
@@ -600,7 +600,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_INT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BIGINT):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_FLOAT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_float))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_DOUBLE):
@@ -608,7 +608,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BINARY):
     #         return (ctypes.cast(data,  ctypes.POINTER(ctypes.c_char))[0:byte]).rstrip('\x00')
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_TIMESTAMP):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_NCHAR):
     #         return (ctypes.cast(data,  ctypes.c_char_p).value).rstrip('\x00')
 
diff --git a/src/connector/python/windows/python2/taos/cursor.py b/src/connector/python/windows/python2/taos/cursor.py
index 0656b6326e..5f4666b593 100644
--- a/src/connector/python/windows/python2/taos/cursor.py
+++ b/src/connector/python/windows/python2/taos/cursor.py
@@ -1,7 +1,6 @@
 from .cinterface import CTaosInterface
 from .error import *
 from .constants import FieldType
-import threading
 
 # querySeqNum = 0
 
@@ -38,7 +37,6 @@ class TDengineCursor(object):
         self._block_iter = 0
         self._affected_rows = 0
         self._logfile = ""
-        self._threadId = threading.get_ident()
 
         if connection is not None:
             self._connection = connection
diff --git a/src/connector/python/windows/python3/setup.py b/src/connector/python/windows/python3/setup.py
index f29fec121b..cdcec62a21 100644
--- a/src/connector/python/windows/python3/setup.py
+++ b/src/connector/python/windows/python3/setup.py
@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="taos",
-    version="2.0.4",
+    version="2.0.7",
     author="Taosdata Inc.",
     author_email="support@taosdata.com",
     description="TDengine python client package",
diff --git a/src/connector/python/windows/python3/taos/cinterface.py b/src/connector/python/windows/python3/taos/cinterface.py
index d8cdce2ad1..ec72474df9 100644
--- a/src/connector/python/windows/python3/taos/cinterface.py
+++ b/src/connector/python/windows/python3/taos/cinterface.py
@@ -22,10 +22,10 @@ def _crow_timestamp_to_python(data, num_of_rows, nbytes=None, micro=False):
 
     if num_of_rows > 0:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
     else:
         return list(map(_timestamp_converter, ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]))
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]))
 
 
 def _crow_bool_to_python(data, num_of_rows, nbytes=None, micro=False):
@@ -145,10 +145,10 @@ def _crow_bigint_to_python(data, num_of_rows, nbytes=None, micro=False):
     """
     if num_of_rows > 0:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
     else:
         return [None if ele == FieldType.C_BIGINT_NULL else ele for ele in ctypes.cast(
-            data, ctypes.POINTER(ctypes.c_long))[:abs(num_of_rows)]]
+            data, ctypes.POINTER(ctypes.c_int64))[:abs(num_of_rows)]]
 
 
 def _crow_bigint_unsigned_to_python(
@@ -162,13 +162,13 @@ def _crow_bigint_unsigned_to_python(
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
     else:
         return [
             None if ele == FieldType.C_BIGINT_UNSIGNED_NULL else ele for ele in ctypes.cast(
                 data, ctypes.POINTER(
-                    ctypes.c_ulong))[
+                    ctypes.c_uint64))[
                 :abs(num_of_rows)]]
 
 
@@ -600,7 +600,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_INT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BIGINT):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_FLOAT):
     #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_float))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_DOUBLE):
@@ -608,7 +608,7 @@ class CTaosInterface(object):
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_BINARY):
     #         return (ctypes.cast(data,  ctypes.POINTER(ctypes.c_char))[0:byte]).rstrip('\x00')
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_TIMESTAMP):
-    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_long))[0]
+    #         return ctypes.cast(data,  ctypes.POINTER(ctypes.c_int64))[0]
     #     elif (dtype == CTaosInterface.TSDB_DATA_TYPE_NCHAR):
     #         return (ctypes.cast(data,  ctypes.c_char_p).value).rstrip('\x00')
 
diff --git a/src/connector/python/windows/python3/taos/cursor.py b/src/connector/python/windows/python3/taos/cursor.py
index 769cb7cf0f..136cd42fe4 100644
--- a/src/connector/python/windows/python3/taos/cursor.py
+++ b/src/connector/python/windows/python3/taos/cursor.py
@@ -1,7 +1,6 @@
 from .cinterface import CTaosInterface
 from .error import *
 from .constants import FieldType
-import threading
 
 # querySeqNum = 0
 
@@ -38,7 +37,6 @@ class TDengineCursor(object):
         self._block_iter = 0
         self._affected_rows = 0
         self._logfile = ""
-        self._threadId = threading.get_ident()
 
         if connection is not None:
             self._connection = connection