diff --git a/config.toml b/config.toml
index 1aa56c8..884a72d 100644
--- a/config.toml
+++ b/config.toml
@@ -9,6 +9,8 @@ agentPort = 10020
 suMethod = "su -c"
 
 [download]
+proxy = ""
+parallelNum = 1
 codecAlternative = true
 codecPriority = ["alac", "ec3", "ac3", "aac"]
 atmosConventToM4a = true
diff --git a/src/api.py b/src/api.py
index 52c45a8..fc09c6e 100644
--- a/src/api.py
+++ b/src/api.py
@@ -10,11 +10,19 @@ from tenacity import retry, retry_if_exception_type, stop_after_attempt, before_
 
 from src.models import *
 
-client = httpx.AsyncClient()
-lock = asyncio.Semaphore(1)
+client: httpx.AsyncClient
+lock: asyncio.Semaphore
 user_agent_browser = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
 user_agent_itunes = "iTunes/12.11.3 (Windows; Microsoft Windows 10 x64 Professional Edition (Build 19041); x64) AppleWebKit/7611.1022.4001.1 (dt:2)"
-user_agent_app = "Music/5.7 Android/10 model/Pixel6GR1YH build/1234 (dt:66)"
+
+
+def init_client_and_lock(proxy: str, parallel_num: int):
+    global client, lock
+    if proxy:
+        client = httpx.AsyncClient(proxy=proxy)
+    else:
+        client = httpx.AsyncClient()
+    lock = asyncio.Semaphore(parallel_num)
 
 
 @retry(retry=retry_if_exception_type((httpx.TimeoutException, httpcore.ConnectError, SSLError, FileNotFoundError)),
diff --git a/src/cmd.py b/src/cmd.py
index 1863201..87e123a 100644
--- a/src/cmd.py
+++ b/src/cmd.py
@@ -9,7 +9,7 @@ from prompt_toolkit import PromptSession, print_formatted_text, ANSI
 from prompt_toolkit.patch_stdout import patch_stdout
 
 from src.adb import Device
-from src.api import get_token
+from src.api import get_token, init_client_and_lock
 from src.config import Config
 from src.rip import rip_song, rip_album
 from src.types import GlobalAuthParams
@@ -30,6 +30,7 @@ class NewInteractiveShell:
     def __init__(self, loop: asyncio.AbstractEventLoop):
         self.loop = loop
         self.config = Config.load_from_config()
+        init_client_and_lock(self.config.download.proxy, self.config.download.parallelNum)
         self.anonymous_access_token = loop.run_until_complete(get_token())
 
         self.parser = argparse.ArgumentParser(exit_on_error=False)
diff --git a/src/config.py b/src/config.py
index ce4f7df..1ccaf35 100644
--- a/src/config.py
+++ b/src/config.py
@@ -16,6 +16,8 @@ class Device(BaseModel):
 
 
 class Download(BaseModel):
+    proxy: str
+    parallelNum: int
     codecAlternative: bool
     codecPriority: list[str]
     atmosConventToM4a: bool