diff --git a/.editorconfig b/.editorconfig
index 8a3f2fb..041328a 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -16,4 +16,4 @@ indent_style = space
 tab_width = 2
 
 [*.py]
-max_line_length = 99
+max_line_length = 79
diff --git a/.style.yapf b/.style.yapf
index 33db8ef..517afe0 100644
--- a/.style.yapf
+++ b/.style.yapf
@@ -1,3 +1,3 @@
 [style]
 based_on_style = facebook
-COLUMN_LIMIT = 99
+COLUMN_LIMIT = 79
diff --git a/CHANGELOG b/CHANGELOG
index a20bf4a..0bb2cbb 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,7 +3,40 @@
 # This project adheres to [Semantic Versioning](http://semver.org/).
 # includes Added / Changed / Fixed
 
-## [1.2.0] UNRELEASED
+## [2.4.0] UNRELEASED
+
+## [2.3.0] 2021-09-14
+### Changed
+- Upgraded grpcio
+- Optimized *_pb2_grpc.py imports, `clients/intermediates` no longer need to join the runtime environment
+
+### Fixed
+- Fixed import MAX_RECURSION_DEPTH and protobuf.__version__
+- Fixed async client feature
+
+## [2.2.0] 2021-08-22
+### Added
+Supported async gRPC client. [#40](https://github.com/bali-framework/bali-cli/issues/40)
+
+## [2.1.8] 2021-07-19
+### Added
+- Adjusted the Jinja2 version
+
+## [2.1.7] 2021-06-13
+### Added
+- Supported build command find protobuf files in /protos, further simplify project structure. [https://github.com/JoshYuJump/bali/tree/main/examples/todos](https://github.com/JoshYuJump/bali/tree/main/examples/todos)
+- Adjust requirement Pydantic version.
+
+## [2.1.6] 2021-05-12
+### Added
+- Supported multi gRPC address configurations
+
+### Fixed
+- Fixed import issues
+
+## [2.0.0] 2021-05-12
+### Added
+- Added `refresh` argument to clear cache
 
 ## [1.1.2] 2021-04-14
 ### Fixed
diff --git a/cli/__init__.py b/cli/__init__.py
index a351fa9..8219039 100644
--- a/cli/__init__.py
+++ b/cli/__init__.py
@@ -1 +1 @@
-__version__ = '2.3.0-rc.1'
+__version__ = '2.3.0'
diff --git a/cli/biz.py b/cli/biz.py
index 9e6d549..d583b99 100644
--- a/cli/biz.py
+++ b/cli/biz.py
@@ -32,9 +32,24 @@ def prepare_current_repo(work_dir: Path) -> Path:
 
 
 def compile_proto_file(output_dir: Path, proto_file_name: str) -> None:
+    """Compile protobuf to pb2 & pb2_grpc files"""
     options = [f"-I{output_dir}", f"--python_out={output_dir}", f"--grpc_python_out={output_dir}"]
     os.system(f"python -m grpc_tools.protoc {' '.join(options)} {proto_file_name}")
 
+    service = proto_file_name.replace(".proto", "")
+
+    # Modified import in *_pb2_grpc.py files
+    pb2_grpc_file = f'{service}_pb2_grpc.py'
+    pb2_grpc_path: Path = output_dir / pb2_grpc_file
+    with pb2_grpc_path.open(mode="r+") as f:
+        content = f.read()
+        f.seek(0)
+        f.truncate()
+        f.write(content.replace(
+            f'import {service}_pb2 as',
+            f'from . import {service}_pb2 as',
+        ))
+
 
 def compile_client_file(proto_path: Path, service_name: str):
     service_pattern = re.compile(r"^service\s+(.*?)\s+{$")
diff --git a/cli/templates/utils.jinja2 b/cli/templates/utils.jinja2
index 5acd4d7..cd3cc9f 100644
--- a/cli/templates/utils.jinja2
+++ b/cli/templates/utils.jinja2
@@ -13,7 +13,7 @@ from grpc import insecure_channel
 from google.protobuf import json_format, __version__ as protobuf__version__
 from google.protobuf.empty_pb2 import Empty
 
-from ._config import GRPC_ADDRESS, MAX_RECURSION_DEPTH
+from ._config import GRPC_ADDRESS
 
 # `GRPC_ADDRESS` is Generic gRPC channel target
 # `GRPC_ADDRESS_EXTENDS` is gRPC channel target specified by service abbreviation
@@ -28,6 +28,12 @@ try:
 except ImportError:
     CHANNEL_OPTIONS = None
 
+# ProtobufParser max_recursion_depth
+try:
+    from ._config import MAX_RECURSION_DEPTH
+except ImportError:
+    MAX_RECURSION_DEPTH = 99
+
 
 # All RPC clients inherited from the `ClientMixin`
 class ClientMixin:
diff --git a/requirements.txt b/requirements.txt
index 5434d62..e4191c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ grpcio-tools>=1.32.0,<=1.48
 GitPython==3.1.11
 jinja2>=2.11.2
 MarkupSafe==2.0.1
-protobuf>=3.15,<=3.20
+protobuf>=3.15,<=3.20.2
 protobuf2pydantic==2021.11.25
 pydantic~=1.7
 typer>=0.3.2