diff --git a/src/common/server/http.ts b/src/common/server/http.ts
index f451f52..550522f 100644
--- a/src/common/server/http.ts
+++ b/src/common/server/http.ts
@@ -58,7 +58,7 @@ export abstract class HttpServerBase {
   start(port: number) {
     try {
       this.expressAPP.get('/', (req: Request, res: Response) => {
-        res.send(`${this.name}已启动`)
+        res.send(`${this.name} 已启动`)
       })
       this.listen(port)
       llonebotError.httpServerError = ''
diff --git a/src/common/utils/helper.ts b/src/common/utils/helper.ts
index 03f7501..275d786 100644
--- a/src/common/utils/helper.ts
+++ b/src/common/utils/helper.ts
@@ -41,7 +41,7 @@ export function mergeNewProperties(newObj: any, oldObj: any) {
   })
 }
 
-export function isNull(value: any): value is null | undefined | void {
+export function isNull(value: unknown) {
   return value === undefined || value === null
 }