diff --git a/backend/src/services/TimeEntryService.js b/backend/src/services/TimeEntryService.js
index 8744170..1688d81 100644
--- a/backend/src/services/TimeEntryService.js
+++ b/backend/src/services/TimeEntryService.js
@@ -500,6 +500,8 @@ class TimeEntryService {
     // Berechne Überstunden für die aktuelle Woche
     const weekData = await this.getWeekOverview(uid, 0);
     
+    console.log(`🔍 Wochenüberstunden-Berechnung START: userDailyHours=${userDailyHours}`);
+    
     let weekSollMinutes = 0; // Soll-Arbeitszeit für die Woche
     let weekIstMinutes = 0; // Ist-Arbeitszeit für die Woche
     
@@ -584,13 +586,17 @@ class TimeEntryService {
       });
       
       let daySollHours = userDailyHours; // Fallback: User's daily_hours
+      console.log(`  Tag ${day.date}: userDailyHours=${userDailyHours}, applicableTimewish=${applicableTimewish ? applicableTimewish.hours + 'h' : 'keine'}`);
+      
       if (applicableTimewish && applicableTimewish.wishtype === 2 && applicableTimewish.hours) {
         daySollHours = applicableTimewish.hours;
+        console.log(`  → Verwende Timewish: ${daySollHours}h`);
       }
       
       // Bei halbem Urlaubstag: Soll halbiert
       if (day.vacation && day.vacation.halfDay) {
         daySollHours = daySollHours / 2;
+        console.log(`  → Halber Urlaubstag: ${daySollHours}h`);
       }
       
       weekSollMinutes += daySollHours * 60;
diff --git a/frontend/src/views/Calendar.vue b/frontend/src/views/Calendar.vue
index 4e0e9b9..ba07687 100644
--- a/frontend/src/views/Calendar.vue
+++ b/frontend/src/views/Calendar.vue
@@ -76,7 +76,9 @@
 <script setup>
 import { ref, onMounted } from 'vue'
 import { useAuthStore } from '../stores/authStore'
+import { API_BASE_URL } from '@/config/api'
 
+const API_URL = API_BASE_URL
 const authStore = useAuthStore()
 const now = new Date()
 const selectedMonth = ref(now.getMonth() + 1)
diff --git a/frontend/src/views/Export.vue b/frontend/src/views/Export.vue
index 20f7b01..0ae478b 100644
--- a/frontend/src/views/Export.vue
+++ b/frontend/src/views/Export.vue
@@ -89,7 +89,9 @@ import { ref } from 'vue'
 import { useAuthStore } from '../stores/authStore'
 import { useModal } from '../composables/useModal'
 import Modal from '../components/Modal.vue'
+import { API_BASE_URL } from '@/config/api'
 
+const API_URL = API_BASE_URL
 const authStore = useAuthStore()
 const loading = ref(false)
 
diff --git a/frontend/src/views/Workdays.vue b/frontend/src/views/Workdays.vue
index 8bf91bd..7567ae5 100644
--- a/frontend/src/views/Workdays.vue
+++ b/frontend/src/views/Workdays.vue
@@ -48,7 +48,9 @@
 <script setup>
 import { ref, onMounted } from 'vue'
 import { useAuthStore } from '../stores/authStore'
+import { API_BASE_URL } from '@/config/api'
 
+const API_URL = API_BASE_URL
 const authStore = useAuthStore()
 const selectedYear = ref(new Date().getFullYear())
 const statistics = ref(null)