diff --git a/备课组/26届/lessons.json b/备课组/26届/lessons.json
index 4123efb8..040f1deb 100644
--- a/备课组/26届/lessons.json
+++ b/备课组/26届/lessons.json
@@ -1039,7 +1039,7 @@
             "B00136"
         ],
         "examples_basic": [
-            "019800",
+            "019875",
             "011887",
             "011888",
             "011889",
@@ -1050,23 +1050,17 @@
         ],
         "work_inclass": [
             "011890",
-            "011891",
             "009489",
             "009490"
         ],
         "homework": [
             "010132",
             "010133",
-            "010136",
             "010137",
-            "020417",
-            "020418",
             "020419",
             "020420",
-            "020421",
-            "020425",
-            "020426",
-            "020608"
+            "019876",
+            "020425"
         ],
         "remarks": ""
     },