diff --git a/src/main.ts b/src/main.ts
index dffeb3bc..adac0197 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -56,7 +56,6 @@ app.config.globalProperties.$builtInPicBed = [
   'local',
   'sftpplist'
 ]
-app.config.unwrapInjectedRef = true
 
 app.config.globalProperties.$$db = db
 app.config.globalProperties.$http = axios
diff --git a/src/renderer/utils/LS.ts b/src/renderer/utils/LS.ts
deleted file mode 100644
index 765f2610..00000000
--- a/src/renderer/utils/LS.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-class LS {
-  get (name: string) {
-    const item = localStorage.getItem(name)
-    if (item) {
-      try {
-        return JSON.parse(item)
-      } catch (e) {
-        console.error('Failed to parse JSON:', e)
-      }
-    }
-    return {}
-  }
-
-  set (name: string, value: any): void {
-    localStorage.setItem(name, JSON.stringify(value))
-  }
-}
-
-export default new LS()
diff --git a/src/renderer/utils/dataSender.ts b/src/renderer/utils/dataSender.ts
index f2dc42b9..5c01e250 100644
--- a/src/renderer/utils/dataSender.ts
+++ b/src/renderer/utils/dataSender.ts
@@ -21,7 +21,7 @@ export function saveConfig (config: IObj | string, value?: any) {
 export function getConfig<T> (key?: string): Promise<T | undefined> {
   return new Promise((resolve) => {
     const callbackId = uuid()
-    const callback = (event: IpcRendererEvent, config: T | undefined, returnCallbackId: string) => {
+    const callback = (_event: IpcRendererEvent, config: T | undefined, returnCallbackId: string) => {
       if (returnCallbackId === callbackId) {
         resolve(config)
         ipcRenderer.removeListener(PICGO_GET_CONFIG, callback)
@@ -39,7 +39,7 @@ export function getConfig<T> (key?: string): Promise<T | undefined> {
 export function triggerRPC<T> (action: IRPCActionType, ...args: any[]): Promise<T | null> {
   return new Promise((resolve) => {
     const callbackId = uuid()
-    const callback = (event: IpcRendererEvent, data: T | null, returnActionType: IRPCActionType, returnCallbackId: string) => {
+    const callback = (_event: IpcRendererEvent, data: T | null, returnActionType: IRPCActionType, returnCallbackId: string) => {
       if (returnCallbackId === callbackId && returnActionType === action) {
         resolve(data)
         ipcRenderer.removeListener(RPC_ACTIONS, callback)
@@ -61,9 +61,6 @@ export function sendRPC (action: IRPCActionType, ...args: any[]): void {
   ipcRenderer.send(RPC_ACTIONS, action, data)
 }
 
-/**
- * @deprecated will be replaced by sendRPC in the future
- */
 export function sendToMain (channel: string, ...args: any[]) {
   const data = getRawData(args)
   ipcRenderer.send(channel, ...data)