diff --git a/README.md b/README.md
index 4c9614e..eddd1c1 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ pip install --upgrade 'heurams[basic] @ https://git.pluv27.top/pluv/HeurAMS/arch
 从较前沿, 大致稳定的 `dev` 分支安装, 并安装适用于用户体验的可选依赖(如果您追求较前沿的改进):
 
 ```
-pip install --force-reinstall 'heurams[basic] @ https://git.pluv27.top/pluv/HeurAMS/archive/dev.zip'
+pip install --force-reinstall --no-deps 'heurams[basic] @ https://git.pluv27.top/pluv/HeurAMS/archive/dev.zip'
 ```
 
 安装适用于一般计算机的通用音频模块(基于 playsound3):\
@@ -52,7 +52,7 @@ pip install --upgrade 'heurams[audio-playsound] @ https://git.pluv27.top/pluv/He
 从 `dev` 分支进行基于 git 的可编辑安装, 并安装全部可选依赖(推荐):
 
 ```
-pip install --force-reinstall 'heurams[all] @ https://git.pluv27.top/pluv/HeurAMS/archive/dev.zip'
+pip install --force-reinstall --no-deps 'heurams[all] @ https://git.pluv27.top/pluv/HeurAMS/archive/dev.zip'
 ```
 
 > 您也可以从 `refactor/...` 等特定分支安装
diff --git a/src/heurams/interface/__main__.py b/src/heurams/interface/__main__.py
index 519b211..6fac725 100644
--- a/src/heurams/interface/__main__.py
+++ b/src/heurams/interface/__main__.py
@@ -2,13 +2,13 @@ from heurams.interface import *
 from heurams.context import config_var
 from heurams.services.logger import get_logger
 import threading
-import zmq
 import pickle
 
 logger = get_logger(__name__)
 
 
 def start_debug_server(app):
+    import zmq
     logger = get_logger("zmq_debug")
     context = zmq.Context()
     socket = context.socket(zmq.REP)