diff --git a/src/modules/03_logs/stores/main.ts b/src/modules/03_logs/stores/main.ts
index 4c27779c..59fae5a2 100644
--- a/src/modules/03_logs/stores/main.ts
+++ b/src/modules/03_logs/stores/main.ts
@@ -22,7 +22,7 @@ const {
 export const useDataStore = defineStore("storeData", () => {
   const size = ref<number>(30);
   const logData = ref<ResLog[]>([]);
-  const systemName = ref<string>("");
+  const systemName = ref<string>();
   const searchAfter = ref<number>();
   async function fetchLog(
     opts?: {