diff --git a/apps/knowledge/serializers/document.py b/apps/knowledge/serializers/document.py
index 89c35043..b06c0b3f 100644
--- a/apps/knowledge/serializers/document.py
+++ b/apps/knowledge/serializers/document.py
@@ -1165,13 +1165,14 @@ class DocumentSerializers(serializers.Serializer):
             import os
             
             for document in instance_list:
-                # 检查是否是MinerU类型的文档（通过llm_model_id或vision_model_id判断）
+                # 检查是否是MinerU类型的文档（需要同时有llm_model_id和vision_model_id）
                 llm_model_id = document.get('llm_model_id')
                 vision_model_id = document.get('vision_model_id')
                 
                 maxkb_logger.info(f"Processing document: {document.get('name')}, llm_model_id: {llm_model_id}, vision_model_id: {vision_model_id}")
                 
-                if llm_model_id or vision_model_id:
+                # 只有同时提供两个模型ID时才是高级学习文档
+                if llm_model_id and vision_model_id:
                     maxkb_logger.info(f"Document {document.get('name')} is MinerU type, will process asynchronously")
                     # MinerU类型的文档，保存基本信息，不处理段落
                     # 段落处理将通过异步任务进行
diff --git a/ui/src/views/document/UploadDocument.vue b/ui/src/views/document/UploadDocument.vue
index c52ac496..c6ec8671 100644
--- a/ui/src/views/document/UploadDocument.vue
+++ b/ui/src/views/document/UploadDocument.vue
@@ -150,6 +150,11 @@ const prev = () => {
 function clearStore() {
   knowledge.saveDocumentsFile([])
   knowledge.saveDocumentsType('')
+  // 清空MinerU模型选择
+  knowledge.saveMinerUModels({
+    llmModel: null,
+    visionModel: null
+  })
 }
 function submit() {
   loading.value = true
@@ -165,10 +170,13 @@ function submit() {
       paragraphs: item.content,
       source_file_id: item.source_file_id,
     }
-    // 如果是MinerU类型，添加模型参数和分段规则
-    if (documentsType.value === 'mineru' && knowledge.mineruModels) {
-      doc.llm_model_id = knowledge.mineruModels.llmModel
-      doc.vision_model_id = knowledge.mineruModels.visionModel
+    // 只有当文档类型确实是MinerU类型时，才添加模型参数和分段规则
+    if (documentsType.value === 'mineru') {
+      // 确保有模型选择才添加
+      if (knowledge.mineruModels && knowledge.mineruModels.llmModel && knowledge.mineruModels.visionModel) {
+        doc.llm_model_id = knowledge.mineruModels.llmModel
+        doc.vision_model_id = knowledge.mineruModels.visionModel
+      }
       // 传递分段规则
       if (SetRulesRef.value?.form?.patterns) {
         doc.split_patterns = SetRulesRef.value.form.patterns
diff --git a/ui/src/views/document/upload/UploadComponent.vue b/ui/src/views/document/upload/UploadComponent.vue
index cd454d83..01b7e1ee 100644
--- a/ui/src/views/document/upload/UploadComponent.vue
+++ b/ui/src/views/document/upload/UploadComponent.vue
@@ -385,6 +385,16 @@ function downloadTableTemplate(type: string) {
 
 function radioChange() {
   form.value.fileList = []
+  // 切换文档类型时，如果不是mineru类型，清空模型选择
+  if (form.value.fileType !== 'mineru') {
+    form.value.llmModel = null
+    form.value.visionModel = null
+    // 清空store中的模型选择
+    knowledge.saveMinerUModels({
+      llmModel: null,
+      visionModel: null
+    })
+  }
 }
 
 function deleteFile(index: number) {