diff --git a/study/debug/filesystem/procfs/kptr_restrict/README.md b/study/debug/filesystem/procfs/kptr_restrict/README.md
index d227099..37f2a83 100644
--- a/study/debug/filesystem/procfs/kptr_restrict/README.md
+++ b/study/debug/filesystem/procfs/kptr_restrict/README.md
@@ -1,5 +1,4 @@
 kptr_restrict 向用户空间内核中的指针(/proc/kallsyms-modules显示value全部为0)
-
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