diff --git a/ebike-operate/src/utils/authority.js b/ebike-operate/src/utils/authority.js
index 06502d0..6cfa696 100644
--- a/ebike-operate/src/utils/authority.js
+++ b/ebike-operate/src/utils/authority.js
@@ -2,7 +2,8 @@ export function getCache(name) {
     if (name == undefined || name == "") {
         return "";
     }
-    let result = localStorage.getItem(name);
+    //let result = localStorage.getItem(name);
+    let result = sessionStorage.getItem(name);
     if (result!= null) {
       if ((result.startsWith("{") && result.endsWith("}")) || (result.startsWith("[") && result.endsWith("]"))) {
         result = JSON.parse(result); 
@@ -18,9 +19,11 @@ export function getCache(name) {
     if(typeof value === 'object') {
       value = JSON.stringify(value);
     }
-    let result = localStorage.setItem(name, value);
+    //let result = localStorage.setItem(name, value);
+    let result = sessionStorage.setItem(name, value);
     return result;
   }  
   export function clearStorage() {
-    localStorage.clear();
+    sessionStorage.clear();
+    //localStorage.clear();
   }
\ No newline at end of file