diff --git a/main.py b/main.py
index e6a0d1ba..5c831ae1 100644
--- a/main.py
+++ b/main.py
@@ -39,6 +39,38 @@ def init_db():
 known_exception_caught = False
 
 
+def reset_logging():
+    assert os.path.exists('config.py')
+
+    config = importlib.import_module('config')
+
+    import pkg.utils.context
+
+    if pkg.utils.context.context['logger_handler'] is not None:
+        logging.getLogger().removeHandler(pkg.utils.context.context['logger_handler'])
+
+    for handler in logging.getLogger().handlers:
+        logging.getLogger().removeHandler(handler)
+
+    logging.basicConfig(level=config.logging_level,  # 设置日志输出格式
+                        filename='qchatgpt.log',  # log日志输出的文件位置和文件名
+                        format="[%(asctime)s.%(msecs)03d] %(filename)s (%(lineno)d) - [%(levelname)s] : %(message)s",
+                        # 日志输出的格式
+                        # -8表示占位符，让输出左对齐，输出长度都为8位
+                        datefmt="%Y-%m-%d %H:%M:%S"  # 时间输出的格式
+                        )
+    sh = logging.StreamHandler()
+    sh.setLevel(config.logging_level)
+    sh.setFormatter(colorlog.ColoredFormatter(
+        fmt="%(log_color)s[%(asctime)s.%(msecs)03d] %(filename)s (%(lineno)d) - [%(levelname)s] : "
+            "%(message)s",
+        datefmt="%Y-%m-%d %H:%M:%S",
+        log_colors=log_colors_config
+    ))
+    logging.getLogger().addHandler(sh)
+    return sh
+
+
 def main(first_time_init=False):
     global known_exception_caught
 
@@ -52,25 +84,7 @@ def main(first_time_init=False):
         import pkg.utils.context
         pkg.utils.context.set_config(config)
 
-        if pkg.utils.context.context['logger_handler'] is not None:
-            logging.getLogger().removeHandler(pkg.utils.context.context['logger_handler'])
-
-        logging.basicConfig(level=config.logging_level,  # 设置日志输出格式
-                            filename='qchatgpt.log',  # log日志输出的文件位置和文件名
-                            format="[%(asctime)s.%(msecs)03d] %(filename)s (%(lineno)d) - [%(levelname)s] : %(message)s",
-                            # 日志输出的格式
-                            # -8表示占位符，让输出左对齐，输出长度都为8位
-                            datefmt="%Y-%m-%d %H:%M:%S"  # 时间输出的格式
-                            )
-        sh = logging.StreamHandler()
-        sh.setLevel(config.logging_level)
-        sh.setFormatter(colorlog.ColoredFormatter(
-            fmt="%(log_color)s[%(asctime)s.%(msecs)03d] %(filename)s (%(lineno)d) - [%(levelname)s] : "
-                "%(message)s",
-            datefmt="%Y-%m-%d %H:%M:%S",
-            log_colors=log_colors_config
-        ))
-        logging.getLogger().addHandler(sh)
+        sh = reset_logging()
 
         # 检查是否设置了管理员
         if not (hasattr(config, 'admin_qq') and config.admin_qq != 0):
diff --git a/pkg/plugin/host.py b/pkg/plugin/host.py
index fe7c323e..98cd4a7d 100644
--- a/pkg/plugin/host.py
+++ b/pkg/plugin/host.py
@@ -2,6 +2,7 @@
 import asyncio
 import logging
 import importlib
+import os
 import pkgutil
 import sys
 import traceback
@@ -108,7 +109,16 @@ def install_plugin(repo_url: str):
     from dulwich import porcelain
 
     logging.info("克隆插件储存库: {}".format(repo_url))
-    repo = porcelain.clone(repo_url, "plugins", checkout=True)
+    repo = porcelain.clone(repo_url, "plugins/"+repo_url.split(".git")[0].split("/")[-1]+"/", checkout=True)
+
+    # 检查此目录是否包含requirements.txt
+    if os.path.exists("plugins/"+repo_url.split(".git")[0].split("/")[-1]+"/requirements.txt"):
+        logging.info("检测到requirements.txt，正在安装依赖")
+        import pkg.utils.pkgmgr
+        pkg.utils.pkgmgr.install_requirements("plugins/"+repo_url.split(".git")[0].split("/")[-1]+"/requirements.txt")
+
+        import main
+        main.reset_logging()
 
 
 class EventContext:
diff --git a/pkg/plugin/switch.py b/pkg/plugin/switch.py
index 5dfc41b8..ea3441fa 100644
--- a/pkg/plugin/switch.py
+++ b/pkg/plugin/switch.py
@@ -59,8 +59,9 @@ def load_switch():
 
     switch_modified = False
 
+    switch_copy = switch.copy()
     # 检查switch中多余的和path不相符的
-    for plugin_name in switch:
+    for plugin_name in switch_copy:
         if plugin_name not in host.__plugins__:
             del switch[plugin_name]
             switch_modified = True
diff --git a/pkg/qqbot/command.py b/pkg/qqbot/command.py
index ff56a848..b4e1bcc5 100644
--- a/pkg/qqbot/command.py
+++ b/pkg/qqbot/command.py
@@ -88,7 +88,7 @@ def plugin_operation(cmd, params, is_admin):
     plugin_list = plugin_host.__plugins__
 
     if len(params) == 0:
-        reply_str = "[bot]所有插件:\n\n"
+        reply_str = "[bot]所有插件{}:\n\n".format(len(plugin_list))
         idx = 0
         for key in plugin_list:
             plugin = plugin_list[key]
@@ -102,7 +102,16 @@ def plugin_operation(cmd, params, is_admin):
         pass
     elif params[0].startswith("http"):
         if is_admin:
-            threading.Thread(target=plugin_host.install_plugin, args=(params[0],)).start()
+
+            def closure():
+                try:
+                    plugin_host.install_plugin(params[0])
+                    pkg.utils.context.get_qqbot_manager().notify_admin("插件安装成功，请发送 !reload 指令重载插件")
+                except Exception as e:
+                    logging.error("插件安装失败:{}".format(e))
+                    pkg.utils.context.get_qqbot_manager().notify_admin("插件安装失败:{}".format(e))
+
+            threading.Thread(target=closure, args=()).start()
             reply = ["[bot]正在安装插件..."]
         else:
             reply = ["[bot]err:权限不足，请使用管理员账号私聊发起"]