diff --git a/apps/application/serializers/application_serializers.py b/apps/application/serializers/application_serializers.py
index 98fa74bbe..60126ada5 100644
--- a/apps/application/serializers/application_serializers.py
+++ b/apps/application/serializers/application_serializers.py
@@ -290,7 +290,7 @@ class ApplicationSerializer(serializers.Serializer):
                 if update_key in instance and instance.get(update_key) is not None:
                     if update_key == 'multiple_rounds_dialogue':
                         application.__setattr__('dialogue_number',
-                                                0 if instance.get(update_key) else ModelProvideConstants[
+                                                0 if not instance.get(update_key) else ModelProvideConstants[
                                                     model.provider].value.get_dialogue_number())
                     else:
                         application.__setattr__(update_key, instance.get(update_key))
diff --git a/ui/src/views/dataset/component/BaseForm.vue b/ui/src/views/dataset/component/BaseForm.vue
index 39e640cc5..120373e23 100644
--- a/ui/src/views/dataset/component/BaseForm.vue
+++ b/ui/src/views/dataset/component/BaseForm.vue
@@ -26,6 +26,11 @@
       />
     </el-form-item>
     <el-form-item v-loading="loading">
+      <template #label
+        ><h4 class="title-decoration-1 mb-16" style="color: var(--app-text-color)">
+          关联应用
+        </h4></template
+      >
       <el-row justify="space-between" style="width: 100%">
         <el-col :span="11" v-for="(item, index) in application_list" :key="index" class="mb-16">
           <CardCheckbox value-field="id" :data="item" v-model="form.application_id_list">