diff --git a/工具v2/database_tools.py b/工具v2/database_tools.py
index d4330840..41d2ef79 100644
--- a/工具v2/database_tools.py
+++ b/工具v2/database_tools.py
@@ -962,10 +962,14 @@ def GenerateLessonPreparation(notetitle, outputdir, adict, prodict, objdict, bas
         return latex_data # 返回有错误的latex源代码
         
  
-def GenerateSingleLessonPreparation(lessonid, outputdir, adict, prodict, objdict, basicknowledgedict, homeworkspaces = False): #根据adict生成每一课时的教案
+def GenerateSingleLessonPreparation(lessonid, outputdir, adict, prodict, objdict, basicknowledgedict, homeworkspaces = False, filename = "default"): #根据adict生成每一课时的教案
     output = ""
     notetitle = lessonid  + r" \ " + adict[lessonid]["name"]
-    outputfilepath = os.path.join(outputdir,lessonid + adict[lessonid]["name"]+".tex")
+    if filename == "default":
+        filename = lessonid + adict[lessonid]["name"]+".tex"
+    else:
+        filename = filename+".tex"
+    outputfilepath = os.path.join(outputdir,filename)
     lessonname = adict[lessonid]["name"]
     objlist = adict[lessonid]["objects"]
     bnlist = adict[lessonid]["basicknowledges"]
@@ -1017,7 +1021,7 @@ def GenerateSingleLessonPreparation(lessonid, outputdir, adict, prodict, objdict
     latex_data = StringSubstitute(r"<<[\s\S]*?待替换[\s\S]*?>>",latex_raw,(notetitle,output)) #替换标题和bodystring
     SaveTextFile(latex_data,outputfilepath) #保存.tex文件
 
-    if XeLaTeXCompile(outputdir,lessonid + adict[lessonid]["name"]+".tex"):
+    if XeLaTeXCompile(outputdir,filename):
         print("编译成功")
         return 0 # 返回0
     else: