diff --git a/phenglei/example/grid/bluntcylinder-2e-5-101-101-4-3w.pw b/phenglei/example/grid/bluntcylinder-2e-5-101-101-4-3w.pw deleted file mode 100644 index b3f9e71..0000000 Binary files a/phenglei/example/grid/bluntcylinder-2e-5-101-101-4-3w.pw and /dev/null differ