diff --git a/Python程序设计课程设计报告.doc b/Python程序设计课程设计报告.doc
index 6e67636..3977122 100644
Binary files a/Python程序设计课程设计报告.doc and b/Python程序设计课程设计报告.doc differ
diff --git a/TR/TrialRecommend/Main.py b/TR/TrialRecommend/Main.py
index 638a0c7..a09850c 100644
--- a/TR/TrialRecommend/Main.py
+++ b/TR/TrialRecommend/Main.py
@@ -265,7 +265,7 @@ class Mainpage:
             messagebox.showinfo(title='提示', message='没有上一张了')
         else:
             self.current_data_image_index -= 1
-            self.image_url(self.current_data_index, self.current_data_image_index)
+            self.image_url(self.current_data_image_index)
     def researchPage(self):
         self.clear_csv_file()
         rs=self.research.get()
@@ -288,7 +288,7 @@ class Mainpage:
         self.init_text()
         self.init_main_Page()
         self.image_show()
-    def image_url(self,index,col):
+    def image_url(self,col):
         with open(self.data_csv_file_path,'r',encoding='utf-8') as f:
             reader = csv.reader(f)
             row =''