diff --git a/packages/napcat-onebot/network/plugin-manger.ts b/packages/napcat-onebot/network/plugin-manger.ts
index fa5e3350..be10ab89 100644
--- a/packages/napcat-onebot/network/plugin-manger.ts
+++ b/packages/napcat-onebot/network/plugin-manger.ts
@@ -179,6 +179,9 @@ export class OB11PluginMangerAdapter extends IOB11NetworkAdapter<PluginConfig> i
       this.pluginRouters.delete(entry.id);
     }
 
+    // 清理模块缓存
+    this.loader.clearCache(entry.pluginPath);
+
     // 重置状态
     entry.loaded = false;
     entry.runtime = {
diff --git a/packages/napcat-onebot/network/plugin/loader.ts b/packages/napcat-onebot/network/plugin/loader.ts
index 85ab8030..424a8696 100644
--- a/packages/napcat-onebot/network/plugin/loader.ts
+++ b/packages/napcat-onebot/network/plugin/loader.ts
@@ -1,5 +1,7 @@
 import fs from 'fs';
 import path from 'path';
+import { createRequire } from 'module';
+const require = createRequire(import.meta.url);
 import { LogWrapper } from 'napcat-core/helper/log';
 import {
   PluginPackageJson,
@@ -295,4 +297,24 @@ export class PluginLoader {
 
     return null;
   }
+  /**
+   * 清除插件文件的 require 缓存
+   * 用于确保卸载插件时清理 CJS 模块缓存
+   */
+  clearCache (pluginPath: string): void {
+    try {
+      // 规范化路径以确保匹配正确
+      const normalizedPluginPath = path.resolve(pluginPath);
+
+      // 遍历缓存并删除属于该插件目录的模块
+      Object.keys(require.cache).forEach((id) => {
+        if (id.startsWith(normalizedPluginPath)) {
+          delete require.cache[id];
+          this.logger.logDebug(`[PluginLoader] Cleared cache for: ${id}`);
+        }
+      });
+    } catch (e) {
+      this.logger.logError('[PluginLoader] Error clearing module cache:', e);
+    }
+  }
 }
diff --git a/packages/napcat-webui-backend/src/api/PluginStore.ts b/packages/napcat-webui-backend/src/api/PluginStore.ts
index e9630321..279d4741 100644
--- a/packages/napcat-webui-backend/src/api/PluginStore.ts
+++ b/packages/napcat-webui-backend/src/api/PluginStore.ts
@@ -254,11 +254,13 @@ export const InstallPluginFromStoreHandler: RequestHandler = async (req, res) =>
       // 删除临时文件
       fs.unlinkSync(tempZipPath);
 
-      // 如果 pluginManager 存在，立即注册插件
+      // 如果 pluginManager 存在，立即注册或重载插件
       const pluginManager = getPluginManager();
       if (pluginManager) {
-        // 检查是否已注册，避免重复注册
-        if (!pluginManager.getPluginInfo(id)) {
+        // 如果插件已存在，则重载以刷新版本信息；否则注册新插件
+        if (pluginManager.getPluginInfo(id)) {
+          await pluginManager.reloadPlugin(id);
+        } else {
           await pluginManager.loadPluginById(id);
         }
       }
@@ -336,11 +338,14 @@ export const InstallPluginFromStoreSSEHandler: RequestHandler = async (req, res)
       sendProgress('解压完成，正在清理...', 90);
       fs.unlinkSync(tempZipPath);
 
-      // 如果 pluginManager 存在，立即注册插件
+      // 如果 pluginManager 存在，立即注册或重载插件
       const pluginManager = getPluginManager();
       if (pluginManager) {
-        // 检查是否已注册，避免重复注册
-        if (!pluginManager.getPluginInfo(id)) {
+        // 如果插件已存在，则重载以刷新版本信息；否则注册新插件
+        if (pluginManager.getPluginInfo(id)) {
+          sendProgress('正在刷新插件信息...', 95);
+          await pluginManager.reloadPlugin(id);
+        } else {
           sendProgress('正在注册插件...', 95);
           await pluginManager.loadPluginById(id);
         }