diff --git a/crazy_functions/批量总结PDF文档.py b/crazy_functions/批量总结PDF文档.py
index 12f4910..686dc0f 100644
--- a/crazy_functions/批量总结PDF文档.py
+++ b/crazy_functions/批量总结PDF文档.py
@@ -51,7 +51,15 @@ def 解析PDF(file_manifest, project_folder, top_p, temperature, chatbot, histor
         yield chatbot, history, msg
 
 
+@CatchException
 def 批量总结PDF文档(txt, top_p, temperature, chatbot, history, systemPromptTxt, WEB_PORT):
+    try:
+        import codecs, fitz
+    except:
+        report_execption(chatbot, history, a = f"解析项目: {txt}", b = f"使用该模块需要额外用pip安装codecs和fitz包")
+        yield chatbot, history, '正常'
+        return
+
     history = []    # 清空历史，以免输入溢出
     import glob, os
     if os.path.exists(txt):
@@ -61,14 +69,13 @@ def 批量总结PDF文档(txt, top_p, temperature, chatbot, history, systemPromp
         report_execption(chatbot, history, a = f"解析项目: {txt}", b = f"找不到本地项目或无权访问: {txt}")
         yield chatbot, history, '正常'
         return
-    file_manifest = [f for f in glob.glob(f'{project_folder}/**/*.tex', recursive=True)] + \
-                    [f for f in glob.glob(f'{project_folder}/**/*.pdf', recursive=True)] # + \
+
+    file_manifest = [f for f in glob.glob(f'{project_folder}/**/*.pdf', recursive=True)] # + \
+                    # [f for f in glob.glob(f'{project_folder}/**/*.tex', recursive=True)] + \
                     # [f for f in glob.glob(f'{project_folder}/**/*.cpp', recursive=True)] + \
                     # [f for f in glob.glob(f'{project_folder}/**/*.c', recursive=True)]
     if len(file_manifest) == 0:
-        report_execption(chatbot, history, a = f"解析项目: {txt}", b = f"找不到任何.pdf文件: {txt}")
+        report_execption(chatbot, history, a = f"解析项目: {txt}", b = f"找不到任何.tex或.pdf文件: {txt}")
         yield chatbot, history, '正常'
         return
-    
     yield from 解析PDF(file_manifest, project_folder, top_p, temperature, chatbot, history, systemPromptTxt)
-    
\ No newline at end of file
diff --git a/crazy_functions/读文章写摘要.py b/crazy_functions/读文章写摘要.py
index 9ad3434..dc92256 100644
--- a/crazy_functions/读文章写摘要.py
+++ b/crazy_functions/读文章写摘要.py
@@ -67,4 +67,4 @@ def 读文章写摘要(txt, top_p, temperature, chatbot, history, systemPromptTx
         report_execption(chatbot, history, a = f"解析项目: {txt}", b = f"找不到任何.tex文件: {txt}")
         yield chatbot, history, '正常'
         return
-    yield from 解析Paper(file_manifest, project_folder, top_p, temperature, chatbot, history, systemPromptTxt)
\ No newline at end of file
+    yield from 解析Paper(file_manifest, project_folder, top_p, temperature, chatbot, history, systemPromptTxt)
diff --git a/functional_crazy.py b/functional_crazy.py
index 67cdcfe..c659093 100644
--- a/functional_crazy.py
+++ b/functional_crazy.py
@@ -1,7 +1,11 @@
+# UserVisibleLevel是过滤器参数。
+# 由于UI界面空间有限，所以通过这种方式决定UI界面中显示哪些插件
+# 默认函数插件 VisibleLevel 是 0
+# 当 UserVisibleLevel >= 函数插件的 VisibleLevel 时，该函数插件才会被显示出来
+UserVisibleLevel = 0
 
 def get_crazy_functionals():
     from crazy_functions.读文章写摘要 import 读文章写摘要
-    from crazy_functions.批量总结PDF文档 import 批量总结PDF文档
     from crazy_functions.生成函数注释 import 批量生成函数注释
     from crazy_functions.解析项目源代码 import 解析项目本身
     from crazy_functions.解析项目源代码 import 解析一个Python项目
@@ -10,7 +14,7 @@ def get_crazy_functionals():
     from crazy_functions.高级功能函数模板 import 高阶功能模板函数
     from crazy_functions.代码重写为全英文_多线程 import 全项目切换英文
 
-    return {
+    function_plugins = {
         "[实验] 请解析并解构此项目本身": {
             "Function": 解析项目本身
         },
@@ -30,10 +34,6 @@ def get_crazy_functionals():
             "Color": "stop",    # 按钮颜色
             "Function": 读文章写摘要
         },
-        "[实验] 批量总结pdf文档并生成双语摘要（配合input输入框）": {
-            "Color": "stop",    # 按钮颜色
-            "Function": 批量总结PDF文档
-        },
         "[实验] 批量生成函数注释（配合input输入框）": {
             "Color": "stop",    # 按钮颜色
             "Function": 批量生成函数注释
@@ -46,5 +46,22 @@ def get_crazy_functionals():
         },
     }
 
+    # VisibleLevel=1 经过充分测试，但不常用的插件放在这里
+    if UserVisibleLevel >= 1:
+        function_plugins.update({
+        })
+
+
+    # VisibleLevel=2 尚未充分测试的函数插件，放在这里
+    from crazy_functions.批量总结PDF文档 import 批量总结PDF文档
+    if UserVisibleLevel >= 2:
+        function_plugins.update({
+            "[实验] 批量总结PDF文档": {
+                "Color": "stop",
+                "Function": 批量总结PDF文档
+            },
+        })
+
+    return function_plugins