diff --git a/tooldelta/extend_functions/__init__.py b/tooldelta/extend_functions/__init__.py
index b27bc509..90f71ade 100644
--- a/tooldelta/extend_functions/__init__.py
+++ b/tooldelta/extend_functions/__init__.py
@@ -32,5 +32,11 @@ def activate_functions():
         func.when_activate()
 
 
+def restore_console_cmds():
+    """恢复内置扩展提供的控制台命令。"""
+    for func in registered_functions:
+        func.when_console_cmd_reset()
+
+
 def import_functions():
-    from . import gamerule_warnings, fast_plugin_download
+    from . import gamerule_warnings, fast_plugin_download, plugin_config
diff --git a/tooldelta/extend_functions/basic.py b/tooldelta/extend_functions/basic.py
index 1ec7eced..275f79f0 100644
--- a/tooldelta/extend_functions/basic.py
+++ b/tooldelta/extend_functions/basic.py
@@ -9,3 +9,7 @@ def __init__(self, frame: "ToolDelta"):
         self.frame = frame
 
     def when_activate(self): ...
+
+    def when_console_cmd_reset(self):
+        """控制台命令重置后的扩展钩子。"""
+        return None
diff --git a/tooldelta/extend_functions/fast_plugin_download.py b/tooldelta/extend_functions/fast_plugin_download.py
index c953b74c..2e4c83ff 100644
--- a/tooldelta/extend_functions/fast_plugin_download.py
+++ b/tooldelta/extend_functions/fast_plugin_download.py
@@ -12,6 +12,10 @@ def __init__(self, frame):
 
     def when_activate(self):
         super().when_activate()
+        self.when_console_cmd_reset()
+
+    def when_console_cmd_reset(self):
+        """注册快速下载插件的控制台命令。"""
         self.frame.add_console_cmd_trigger(
             ["plg add"],
             "插件 ID",
diff --git a/tooldelta/extend_functions/plugin_config.py b/tooldelta/extend_functions/plugin_config.py
new file mode 100644
index 00000000..b113e1d9
--- /dev/null
+++ b/tooldelta/extend_functions/plugin_config.py
@@ -0,0 +1,158 @@
+"""插件市场源和 GitHub 镜像的控制台配置命令。"""
+
+from urllib.parse import urlparse
+
+from ..constants import PLUGIN_MARKET_SOURCE_OFFICIAL
+from ..constants.tooldelta_cfg import LAUNCH_CFG_STD
+from ..plugin_market import market
+from ..utils import cfg, fmts, urlmethod
+from . import regist_extend_function
+from .basic import ExtendFunction
+
+
+CONFIG_PATH = "ToolDelta基本配置.json"
+CONFIG_KEYS = {
+    "plugin_market": "插件市场源",
+    "github_mirror": "全局GitHub镜像",
+}
+CONFIG_KEYS_HINT = "plugin_market|github_mirror"
+
+
+def _normalize_url(value: str) -> str:
+    """校验并规范化配置 URL。"""
+    if any(char.isspace() for char in value):
+        raise ValueError
+    parsed = urlparse(value)
+    if parsed.scheme not in ("http", "https") or not parsed.netloc:
+        raise ValueError
+    return value.rstrip("/")
+
+
+@regist_extend_function
+class PluginConfig(ExtendFunction):
+    """管理插件市场源和全局 GitHub 镜像。"""
+
+    def when_activate(self):
+        """激活扩展并注册控制台命令。"""
+        super().when_activate()
+        self.when_console_cmd_reset()
+
+    def when_console_cmd_reset(self):
+        """注册插件源配置命令。"""
+        self.frame.add_console_cmd_trigger(
+            ["plg config set"],
+            f"<{CONFIG_KEYS_HINT}> <URL>",
+            "设置插件市场源或全局 GitHub 镜像",
+            self.on_set_config,
+        )
+        self.frame.add_console_cmd_trigger(
+            ["plg config unset"],
+            f"<{CONFIG_KEYS_HINT}>",
+            "清除插件市场源或全局 GitHub 镜像的自定义值",
+            self.on_unset_config,
+        )
+        self.frame.add_console_cmd_trigger(
+            ["plg config list"],
+            None,
+            "查看插件市场源和全局 GitHub 镜像",
+            self.on_list_config,
+        )
+
+    def on_set_config(self, args: list[str]) -> None:
+        """设置并立即应用指定配置。"""
+        if len(args) != 2:
+            self._print_usage("set")
+            return
+        key, value = args
+        if not self._check_key(key):
+            return
+        try:
+            value = _normalize_url(value)
+        except ValueError:
+            fmts.print_err("URL 必须是包含主机名的 http:// 或 https:// 地址")
+            return
+        if self._save_config(key, value):
+            self._apply_config(key, value)
+            fmts.print_suc(f"已设置 {key}: {value}，当前进程已生效")
+
+    def on_unset_config(self, args: list[str]) -> None:
+        """清除指定配置并恢复运行时默认值。"""
+        if len(args) != 1:
+            self._print_usage("unset")
+            return
+        key = args[0]
+        if not self._check_key(key):
+            return
+        if self._save_config(key, ""):
+            self._apply_config(key, "")
+            effective_value = self._get_effective_value(key)
+            fmts.print_suc(f"已清除 {key} 的自定义值，当前使用: {effective_value}")
+
+    def on_list_config(self, args: list[str]) -> None:
+        """显示配置值及当前生效值。"""
+        if args:
+            self._print_usage("list")
+            return
+        configs = self._load_config()
+        if configs is None:
+            return
+        fmts.print_inf("插件源配置:")
+        for key, config_key in CONFIG_KEYS.items():
+            configured_value = configs[config_key] or "自动"
+            effective_value = self._get_effective_value(key)
+            fmts.print_inf(f" {key}: 配置={configured_value}，当前={effective_value}")
+
+    @staticmethod
+    def _check_key(key: str) -> bool:
+        """检查命令使用的配置键。"""
+        if key in CONFIG_KEYS:
+            return True
+        fmts.print_err(f"未知配置项 {key!r}，可用项: {', '.join(CONFIG_KEYS)}")
+        return False
+
+    @staticmethod
+    def _load_config() -> dict | None:
+        """读取 ToolDelta 基本配置。"""
+        try:
+            return cfg.get_cfg(CONFIG_PATH, LAUNCH_CFG_STD)
+        except (OSError, cfg.ConfigError) as err:
+            fmts.print_err(f"读取 ToolDelta 基本配置失败: {err}")
+            return None
+
+    def _save_config(self, key: str, value: str) -> bool:
+        """保留其他配置项并持久化指定值。"""
+        configs = self._load_config()
+        if configs is None:
+            return False
+        configs[CONFIG_KEYS[key]] = value
+        try:
+            cfg.write_default_cfg_file(CONFIG_PATH, configs, force=True)
+        except OSError as err:
+            fmts.print_err(f"保存 ToolDelta 基本配置失败: {err}")
+            return False
+        return True
+
+    @staticmethod
+    def _apply_config(key: str, value: str) -> None:
+        """将配置应用到当前运行中的客户端。"""
+        if key == "plugin_market":
+            market.set_source_url(value or PLUGIN_MARKET_SOURCE_OFFICIAL)
+            return
+        urlmethod.set_global_github_src_url(value)
+
+    @staticmethod
+    def _get_effective_value(key: str) -> str:
+        """获取当前进程实际使用的配置值。"""
+        if key == "plugin_market":
+            return market.plugin_market_content_url
+        return urlmethod.get_global_github_src_url()
+
+    @staticmethod
+    def _print_usage(command: str) -> None:
+        """输出子命令的正确用法。"""
+        usages = {
+            "set": f"plg config set <{CONFIG_KEYS_HINT}> <URL>",
+            "unset": f"plg config unset <{CONFIG_KEYS_HINT}>",
+            "list": "plg config list",
+        }
+        fmts.print_err(f"用法: {usages[command]}")
diff --git a/tooldelta/frame.py b/tooldelta/frame.py
index a0fcf6c5..1ff17018 100755
--- a/tooldelta/frame.py
+++ b/tooldelta/frame.py
@@ -169,6 +169,7 @@ def reload(self, deep_reload: bool = False):
                 fmts.print_inf("重载: 正在保存数据缓存文件..")
                 utils.safe_close(SysStatus.RELOAD)
                 self.cmd_manager.reset_cmds()
+                extend_functions.restore_console_cmds()
                 fmts.print_inf("重载: 正在重新载入插件..")
                 self.plugin_group.reload(deep_reload)
                 fmts.print_suc("重载插件: 全部插件重载成功！")
diff --git a/tooldelta/plugin_market.py b/tooldelta/plugin_market.py
index d12e0f62..3f8909d5 100755
--- a/tooldelta/plugin_market.py
+++ b/tooldelta/plugin_market.py
@@ -62,11 +62,21 @@ def __init__(self):
         self._cached_plugins_id_map = {}
         self._cached_market_filetree: FILETREE = {}
         try:
-            self.plugin_market_content_url = cfg.get_cfg(
+            source_url = cfg.get_cfg(
                 "ToolDelta基本配置.json", {"插件市场源": str}
             )["插件市场源"]
         except Exception:
-            self.plugin_market_content_url = PLUGIN_MARKET_SOURCE_OFFICIAL
+            source_url = PLUGIN_MARKET_SOURCE_OFFICIAL
+        self.set_source_url(source_url)
+
+    def set_source_url(self, source_url: str) -> None:
+        """切换插件市场源并清空已有缓存。"""
+        self.plugin_market_content_url = (
+            source_url or PLUGIN_MARKET_SOURCE_OFFICIAL
+        )
+        self._cached_market_tree.clear()
+        self._cached_plugins_id_map.clear()
+        self._cached_market_filetree.clear()
 
     def enter_plugin_market(self, source_url: str | None = None, in_game=False) -> None:
         """
@@ -77,7 +87,7 @@ def enter_plugin_market(self, source_url: str | None = None, in_game=False) -> N
             in_game (bool, optional): 是否在游戏内调用的插件市场命令
         """
         if source_url:
-            self.plugin_market_content_url = source_url
+            self.set_source_url(source_url)
 
         fmts.ansi_save_screen()
         fmts.clean_print("§6正在连接到插件市场..")