edit: response.message

frontend_management/pages/instructor/courses/[id]/chapters/[chapterId]/lessons/[lessonId]/quiz.vue

@@ -430,7 +430,7 @@ const saveLesson = async () => {
     navigateTo(`/instructor/courses/${courseId}/structure`);
   } catch (error) {
     console.error('Failed to save lesson:', error);
-    $q.notify({ type: 'negative', message: 'ไม่สามารถบันทึกได้', position: 'top' });
+    $q.notify({ type: 'negative', message: (error as any).data?.error?.message || (error as any).data?.message || 'ไม่สามารถบันทึกได้', position: 'top' });
   } finally {
     saving.value = false;
   }

frontend_management/pages/instructor/courses/[id]/chapters/[chapterId]/lessons/[lessonId]/video.vue

@@ -62,6 +62,20 @@
               autogrow
               rows="3"
             />
+            <q-card-section class="flex justify-end gap-2">
+          <q-btn
+            flat
+            label="ยกเลิก"
+            @click="navigateTo(`/instructor/courses/${courseId}/structure`)"
+          />
+          <q-btn
+            color="primary"
+            label="บันทึก"
+            icon="save"
+            :loading="saving"
+            @click="saveLesson"
+          />
+        </q-card-section>
           </div>
         </q-card-section>
 
@@ -182,20 +196,7 @@
 
         <!-- Actions -->
         <q-separator />
-        <q-card-section class="flex justify-end gap-2">
-          <q-btn
-            flat
-            label="ยกเลิก"
-            @click="navigateTo(`/instructor/courses/${courseId}/structure`)"
-          />
-          <q-btn
-            color="primary"
-            label="บันทึก"
-            icon="save"
-            :loading="saving"
-            @click="saveLesson"
-          />
-        </q-card-section>
+        
       </q-card>
     </div>
 

frontend_management/pages/instructor/courses/[id]/index.vue

@@ -58,7 +58,8 @@
 
               <!-- Status Badges -->
               <div class="flex gap-2">
-                <q-badge v-if="course.is_free" color="purple">เผยแพร่</q-badge>
+                <q-badge v-if="course.is_free" color="purple">ฟรี</q-badge>
+                <q-badge v-else color="purple">เสียเงิน</q-badge>
                 <q-badge :color="getStatusColor(course.status)">
                   {{ getStatusLabel(course.status) }}
                 </q-badge>

frontend_management/pages/instructor/courses/[id]/structure.vue

@@ -204,6 +204,7 @@
               :rules="[val => !!val || 'กรุณากรอกชื่อบทเรียน']"
               lazy-rules="ondemand"
               hide-bottom-space
+              class="mb-4"
             />
             <q-input
               v-model="lessonForm.title.en"