diff --git a/备课组/26届/lessons.json b/备课组/26届/lessons.json
index 6e37be84..f808441d 100644
--- a/备课组/26届/lessons.json
+++ b/备课组/26届/lessons.json
@@ -750,7 +750,8 @@
         "examples_basic": [
             "011851",
             "011852",
-            "011853"
+            "011853",
+            "019842"
         ],
         "examples_adv": [
             "011854",
@@ -764,7 +765,6 @@
             "010102"
         ],
         "homework": [
-            "019842",
             "019841",
             "020214",
             "020215",