diff --git a/jx_test/floor/f1.json b/jx_test/floor/f1.json
index 2752b98..84e4a8b 100644
--- a/jx_test/floor/f1.json
+++ b/jx_test/floor/f1.json
@@ -3651,7 +3651,7 @@
           "bayWidth": 1.24,
           "levelHeight": [
             0.001,
-            2.2,
+            1.75,
             4.2,
             5.5,
             8.5