diff --git a/README.md b/README.md
index 7075a8f6..037d8471 100644
--- a/README.md
+++ b/README.md
@@ -141,5 +141,6 @@ while resp.has_next():
 | Nebula2-Python Version | NebulaGraph Version |
 |---|---|
 | 2.0.0.post1  | 2.0.0beta |
-| 2.0.0rc1  | 2.0.0-RC1 |
+| 2.0.0rc1  | 2.0.0-rc1 |
+| 2.0.0ga  | 2.0.0-ga |
 
diff --git a/example/GraphClientSimpleExample.py b/example/GraphClientSimpleExample.py
index 39601b3b..812c56ea 100644
--- a/example/GraphClientSimpleExample.py
+++ b/example/GraphClientSimpleExample.py
@@ -6,10 +6,8 @@
 # This source code is licensed under Apache 2.0 License,
 # attached with Common Clause Condition 1.0, found in the LICENSES directory.
 
-import sys
 import time
 
-
 from nebula2.gclient.net import ConnectionPool
 from nebula2.Config import Config
 from FormatResp import print_resp
@@ -34,13 +32,23 @@
         time.sleep(6)
 
         # insert vertex
-        resp = client.execute('INSERT VERTEX person(name, age) VALUES "Bob":("Bob", 10)')
+        resp = client.execute('INSERT VERTEX person(name, age) VALUES "Bob":("Bob", 10), "Lily":("Lily", 9)')
+        assert resp.is_succeeded(), resp.error_msg()
+
+        # Insert edges
+        client.execute('INSERT EDGE like(likeness) VALUES "Bob"->"Lily":(80.0);')
+        assert resp.is_succeeded(), resp.error_msg()
+
         assert resp.is_succeeded(), resp.error_msg()
 
         resp = client.execute('FETCH PROP ON person "Bob"')
         assert resp.is_succeeded(), resp.error_msg()
         print_resp(resp)
 
+        resp = client.execute('FETCH PROP ON like "Bob"->"Lily"')
+        assert resp.is_succeeded(), resp.error_msg()
+        print_resp(resp)
+
     except Exception as x:
         import traceback
         print(traceback.format_exc())
diff --git a/nebula2/graph/ttypes.py b/nebula2/graph/ttypes.py
index 483680eb..d652d345 100644
--- a/nebula2/graph/ttypes.py
+++ b/nebula2/graph/ttypes.py
@@ -48,6 +48,7 @@ class ErrorCode:
   E_BAD_PERMISSION = -11
   E_SEMANTIC_ERROR = -12
   E_TOO_MANY_CONNECTIONS = -13
+  E_PARTIAL_SUCCEEDED = -14
 
   _VALUES_TO_NAMES = {
     0: "SUCCEEDED",
@@ -64,6 +65,7 @@ class ErrorCode:
     -11: "E_BAD_PERMISSION",
     -12: "E_SEMANTIC_ERROR",
     -13: "E_TOO_MANY_CONNECTIONS",
+    -14: "E_PARTIAL_SUCCEEDED",
   }
 
   _NAMES_TO_VALUES = {
@@ -81,6 +83,7 @@ class ErrorCode:
     "E_BAD_PERMISSION": -11,
     "E_SEMANTIC_ERROR": -12,
     "E_TOO_MANY_CONNECTIONS": -13,
+    "E_PARTIAL_SUCCEEDED": -14,
   }
 
 class ProfilingStats:
diff --git a/setup.py b/setup.py
index c1a47e3c..63b04d5d 100644
--- a/setup.py
+++ b/setup.py
@@ -10,7 +10,7 @@
 
 setup(
     name='nebula2-python',
-    version='2.0.0rc1',
+    version='2.0.0ga',
     license="Apache 2.0 + Common Clause 1.0",
     author='vesoft-inc',
     author_email='info@vesoft.com',
@@ -18,10 +18,8 @@
     url='https://github.com/vesoft-inc/nebula-python',
     install_requires=['httplib2',
                       'future',
-                      'six',
-                      'futures; python_version == "2.7"'],
+                      'six'],
     packages=find_packages(),
-    platforms=["2.7, 3.5, 3.7"],
-    package_dir={'nebula2': 'nebula2',
-                 'thirft': 'thirft'},
+    platforms=["3.5, 3.7"],
+    package_dir={'nebula2': 'nebula2'},
 )