diff --git a/备课组/25届/校本材料.json b/备课组/25届/校本材料.json
index dfda9958..0866fb91 100644
--- a/备课组/25届/校本材料.json
+++ b/备课组/25届/校本材料.json
@@ -322,7 +322,6 @@
                 "041215"
             ],
             "jieda": [
-                "041215",
                 "041216",
                 "041217",
                 "041218"