diff --git a/备课组/26届/lessons.json b/备课组/26届/lessons.json
index 1e6a8358..9caab16f 100644
--- a/备课组/26届/lessons.json
+++ b/备课组/26届/lessons.json
@@ -1203,10 +1203,10 @@
             "011907",
             "011908",
             "011909",
-            "011910"
+            "011911"
         ],
         "examples_adv": [
-            "011911"
+            "011910"
         ],
         "work_inclass": [
             "009499",
@@ -1219,8 +1219,7 @@
             "010156",
             "010157",
             "010163",
-            "020459",
-            "020462",
+            "019879",
             "020474",
             "020477",
             "020478",