diff --git a/README.md b/README.md
index 972da40..39c230f 100644
--- a/README.md
+++ b/README.md
@@ -243,7 +243,7 @@ Web UI 可以实现如下功能：
     - [x] 选择知识库开始问答
     - [x] 上传文件/文件夹至知识库
     - [x] 知识库测试
-    - [ ] 删除知识库中文件
+    - [x] 删除知识库中文件
   - [x] 支持搜索引擎问答
 - [ ] 增加 API 支持
   - [x] 利用 fastapi 实现 API 部署方式
@@ -251,7 +251,7 @@ Web UI 可以实现如下功能：
 - [x] VUE 前端
 
 ## 项目交流群
-<img src="img/qr_code_39.jpg" alt="二维码" width="300" height="300" />
+<img src="img/qr_code_42.jpg" alt="二维码" width="300" height="300" />
 
 
 🎉 langchain-ChatGLM 项目微信交流群，如果你也对本项目感兴趣，欢迎加入群聊参与讨论交流。
diff --git a/configs/model_config.py b/configs/model_config.py
index 0ead812..33176be 100644
--- a/configs/model_config.py
+++ b/configs/model_config.py
@@ -64,7 +64,18 @@ llm_model_dict = {
         "local_model_path": None,
         "provides": "ChatGLM"
     },
-
+    "chatglm2-6b-int4": {
+        "name": "chatglm2-6b-int4",
+        "pretrained_model_name": "THUDM/chatglm2-6b-int4",
+        "local_model_path": None,
+        "provides": "ChatGLM"
+    },
+    "chatglm2-6b-int8": {
+        "name": "chatglm2-6b-int8",
+        "pretrained_model_name": "THUDM/chatglm2-6b-int8",
+        "local_model_path": None,
+        "provides": "ChatGLM"
+    },
     "chatyuan": {
         "name": "chatyuan",
         "pretrained_model_name": "ClueAI/ChatYuan-large-v2",
@@ -192,7 +203,7 @@ PROMPT_TEMPLATE = """已知信息：
 
 根据上述已知信息，简洁和专业的来回答用户的问题。如果无法从中得到答案，请说 “根据已知信息无法回答该问题” 或 “没有提供足够的相关信息”，不允许在答案中添加编造成分，答案请使用中文。 问题是：{question}"""
 
-# 缓存知识库数量
+# 缓存知识库数量,如果是ChatGLM2,ChatGLM2-int4,ChatGLM2-int8模型若检索效果不好可以调成’10’
 CACHED_VS_NUM = 1
 
 # 文本分句长度
diff --git a/img/qr_code_39.jpg b/img/qr_code_39.jpg
deleted file mode 100644
index e866af0..0000000
Binary files a/img/qr_code_39.jpg and /dev/null differ
diff --git a/img/qr_code_42.jpg b/img/qr_code_42.jpg
new file mode 100644
index 0000000..146b873
Binary files /dev/null and b/img/qr_code_42.jpg differ
diff --git a/loader/image_loader.py b/loader/image_loader.py
index ec32459..4ac4c51 100644
--- a/loader/image_loader.py
+++ b/loader/image_loader.py
@@ -5,9 +5,6 @@ from langchain.document_loaders.unstructured import UnstructuredFileLoader
 from paddleocr import PaddleOCR
 import os
 import nltk
-from configs.model_config import NLTK_DATA_PATH
-
-nltk.data.path = [NLTK_DATA_PATH] + nltk.data.path
 
 class UnstructuredPaddleImageLoader(UnstructuredFileLoader):
     """Loader that uses unstructured to load image files, such as PNGs and JPGs."""
@@ -35,6 +32,10 @@ class UnstructuredPaddleImageLoader(UnstructuredFileLoader):
 if __name__ == "__main__":
     import sys
     sys.path.append(os.path.dirname(os.path.dirname(__file__)))
+    
+    from configs.model_config import NLTK_DATA_PATH
+    nltk.data.path = [NLTK_DATA_PATH] + nltk.data.path
+    
     filepath = os.path.join(os.path.dirname(os.path.dirname(__file__)), "knowledge_base", "samples", "content", "test.jpg")
     loader = UnstructuredPaddleImageLoader(filepath, mode="elements")
     docs = loader.load()
diff --git a/webui.py b/webui.py
index 0a96e4c..69962d2 100644
--- a/webui.py
+++ b/webui.py
@@ -218,7 +218,12 @@ def change_chunk_conent(mode, label_conent, history):
 
 
 def add_vs_name(vs_name, chatbot):
-    if vs_name in get_vs_list():
+    if vs_name is None or vs_name.strip() == "" :
+        vs_status = "知识库名称不能为空，请重新填写知识库名称"
+        chatbot = chatbot + [[None, vs_status]]
+        return gr.update(visible=True), gr.update(visible=True), gr.update(visible=True), gr.update(
+            visible=False), chatbot, gr.update(visible=False)
+    elif vs_name in get_vs_list():
         vs_status = "与已有知识库名称冲突，请重新选择其他名称后提交"
         chatbot = chatbot + [[None, vs_status]]
         return gr.update(visible=True), gr.update(visible=True), gr.update(visible=True), gr.update(