diff --git a/client/src/components/donors/Donors.jsx b/client/src/components/donors/Donors.jsx
index 8aff7295..0a941309 100644
--- a/client/src/components/donors/Donors.jsx
+++ b/client/src/components/donors/Donors.jsx
@@ -287,31 +287,9 @@ const Donors = () => {
   /**
    * Open the add donor modal
    */
-  const handleOpenAddDonorModal = async () => {
+  const handleOpenAddDonorModal = () => {
     if (!selectedEvent) return;
-    
-    try {
-      // 先显示模态框
-      setShowAddDonorModal(true);
-      
-      setLoading(prev => ({ ...prev, availableDonors: true }));
-      setError(prev => ({ ...prev, availableDonors: null }));
-      
-      // 获取第一页可用捐赠者
-      const result = await getAvailableDonors(selectedEvent.id, {
-        page: 1,
-        limit: modalItemsPerPage,
-        search: ''
-      });
-      
-      setModalTotalPages(result.total_pages || 1);
-      setModalTotalDonors(result.total_count || 0);
-    } catch (error) {
-      console.error('Error fetching available donors:', error);
-      setError(prev => ({ ...prev, availableDonors: error.message }));
-    } finally {
-      setLoading(prev => ({ ...prev, availableDonors: false }));
-    }
+    setShowAddDonorModal(true);
   };
 
   // Handle search
diff --git a/client/src/services/eventService.js b/client/src/services/eventService.js
index a978c5b0..791140dc 100644
--- a/client/src/services/eventService.js
+++ b/client/src/services/eventService.js
@@ -60,14 +60,7 @@ export const getEvents = async (params = {}) => {
  */
 export const getEventById = async (eventId) => {
   try {
-    const response = await fetchWithAuth(`${API_URL}/api/events/${eventId}`);
-    
-    if (!response.ok) {
-      throw new Error(`Failed to get event info: ${response.status}`);
-    }
-    
-    const data = await response.json();
-    return data;
+    return await fetchWithAuth(`${API_URL}/api/events/${eventId}`);
   } catch (error) {
     console.error('Error fetching event:', error);
     throw error;
diff --git a/client/src/utils/ProgressPoller.js b/client/src/utils/ProgressPoller.js
index 86058cfc..41d4ae33 100644
--- a/client/src/utils/ProgressPoller.js
+++ b/client/src/utils/ProgressPoller.js
@@ -18,11 +18,6 @@ export class ProgressPoller {
     if (this.isStopped) return;
 
     try {
-      const token = localStorage.getItem('token');
-      if (!token) {
-        throw new Error('No authentication token found');
-      }
-
       const data = await fetchWithAuth(`/api/progress/${this.operationId}`)
       
       // Ensure we have valid progress data