diff --git a/electron/core/plugins/data-plugin/module.ts b/electron/core/plugins/data-plugin/module.ts
index 00faa5f63..3f01fa7be 100644
--- a/electron/core/plugins/data-plugin/module.ts
+++ b/electron/core/plugins/data-plugin/module.ts
@@ -184,6 +184,7 @@ function deleteDownloadModel(modelId: string) {
       const stmt = db.prepare("DELETE FROM models WHERE id = ?");
       stmt.run(modelId);
       stmt.finalize();
+      res(modelId);
     });
 
     db.close();
@@ -352,7 +353,7 @@ function deleteConversation(id: any) {
       );
       deleteMessages.run(id);
       deleteMessages.finalize();
-      res([]);
+      res(id);
     });
 
     db.close();
diff --git a/electron/core/plugins/inference-plugin/module.js b/electron/core/plugins/inference-plugin/module.js
index ea392c31e..44205277b 100644
--- a/electron/core/plugins/inference-plugin/module.js
+++ b/electron/core/plugins/inference-plugin/module.js
@@ -5,14 +5,6 @@ const fs = require("fs");
 
 let subprocess = null;
 
-process.on("exit", () => {
-  // Perform cleanup tasks here
-  console.log("kill subprocess on exit");
-  if (subprocess) {
-    subprocess.kill();
-  }
-});
-
 async function initModel(product) {
   // fileName fallback
   if (!product.fileName) {
@@ -79,7 +71,7 @@ async function initModel(product) {
   });
 }
 
-function killSubprocess() {
+function dispose() {
   if (subprocess) {
     subprocess.kill();
     subprocess = null;
@@ -91,5 +83,5 @@ function killSubprocess() {
 
 module.exports = {
   initModel,
-  killSubprocess,
+  dispose,
 };
diff --git a/electron/main.ts b/electron/main.ts
index e02596559..b4c1eab5a 100644
--- a/electron/main.ts
+++ b/electron/main.ts
@@ -4,15 +4,15 @@ import { resolve, join, extname } from "path";
 import { rmdir, unlink, createWriteStream } from "fs";
 import { init } from "./core/plugin-manager/pluginMgr";
 import { setupMenu } from "./utils/menu";
+import { dispose } from "./utils/disposable";
 
-import isDev = require("electron-is-dev");
-// @ts-ignore
-import request = require("request");
-// @ts-ignore
-import progress = require("request-progress");
+const isDev = require("electron-is-dev");
+const request = require("request");
+const progress = require("request-progress");
 const { autoUpdater } = require("electron-updater");
 const Store = require("electron-store");
 
+const requiredModules: Record<string, any> = {};
 let mainWindow: BrowserWindow | undefined = undefined;
 
 app
@@ -32,6 +32,7 @@ app
   });
 
 app.on("window-all-closed", () => {
+  dispose(requiredModules);
   app.quit();
 });
 
@@ -106,22 +107,22 @@ function handleIPCs() {
   ipcMain.handle(
     "invokePluginFunc",
     async (_event, modulePath, method, ...args) => {
-      const module = join(app.getPath("userData"), "plugins", modulePath);
-      return await import(/* webpackIgnore: true */ module)
-        .then((plugin) => {
-          if (typeof plugin[method] === "function") {
-            return plugin[method](...args);
-          } else {
-            console.log(plugin[method]);
-            console.error(`Function "${method}" does not exist in the module.`);
-          }
-        })
-        .then((res) => {
-          return res;
-        })
-        .catch((err) => console.log(err));
+      const module = require(/* webpackIgnore: true */ join(
+        app.getPath("userData"),
+        "plugins",
+        modulePath
+      ));
+      requiredModules[modulePath] = module;
+
+      if (typeof module[method] === "function") {
+        return module[method](...args);
+      } else {
+        console.log(module[method]);
+        console.error(`Function "${method}" does not exist in the module.`);
+      }
     }
   );
+
   ipcMain.handle("basePlugins", async (_event) => {
     const basePluginPath = join(
       __dirname,
diff --git a/electron/utils/disposable.ts b/electron/utils/disposable.ts
new file mode 100644
index 000000000..462f7e3e5
--- /dev/null
+++ b/electron/utils/disposable.ts
@@ -0,0 +1,8 @@
+export function dispose(requiredModules: Record<string, any>) {
+  for (const key in requiredModules) {
+    const module = requiredModules[key];
+    if (typeof module["dispose"] === "function") {
+      module["dispose"]();
+    }
+  }
+}