diff --git a/src/pages/03_customer-management/MainPage.vue b/src/pages/03_customer-management/MainPage.vue
index 3f22f9aa..94c5d35f 100644
--- a/src/pages/03_customer-management/MainPage.vue
+++ b/src/pages/03_customer-management/MainPage.vue
@@ -1831,9 +1831,9 @@ watch(
 
         <q-splitter
           v-model="splitterModel"
-          :limits="[15, 80]"
-          style="width: 100%"
+          :limits="[0, 100]"
           class="col"
+          before-class="overflow-hidden"
           after-class="overflow-hidden"
         >
           <template v-slot:before>
diff --git a/src/pages/04_product-service/MainPage.vue b/src/pages/04_product-service/MainPage.vue
index c6a1af56..f8913215 100644
--- a/src/pages/04_product-service/MainPage.vue
+++ b/src/pages/04_product-service/MainPage.vue
@@ -1388,7 +1388,7 @@ watch(
     >
       <q-splitter
         v-model="splitterModel"
-        :limits="[20, 100]"
+        :limits="[0, 100]"
         style="width: 100%"
         class="col"
         after-class="overflow-hidden"