diff --git a/TEST.Database.sql b/TEST.Database.sql
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diff --git a/dbo.Course.Table.sql b/dbo.Course.Table.sql
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diff --git a/dbo.SC.Table.sql b/dbo.SC.Table.sql
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diff --git a/dbo.Student.Table.sql b/dbo.Student.Table.sql
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diff --git a/test.py b/test.py
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--- /dev/null
+++ b/test.py
@@ -0,0 +1,13 @@
+from openpyxl import load_workbook
+from openpyxl.styles import *
+
+def style(file):
+    wb = load_workbook(file)
+    ws = wb.active
+    for row in ws.iter_rows():
+        for cell in row:
+            if cell is not None:
+                cell.alignment = Alignment(horizontal='center',vertical='center')
+    wb.save(file)
+        
+style('测试3.xlsx')
\ No newline at end of file