diff --git a/.gitignore b/.gitignore
index abe8c27..a158d9f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,4 @@
 # Vibe Coding
 .claude/
 .oprncode/
-
-llmdoc/
-.sisyphus/
-
-.mcp.json
\ No newline at end of file
+.codex/
\ No newline at end of file
diff --git a/oci/create_instance.sh b/oci/create_instance.sh
index 33c6add..40b662d 100644
--- a/oci/create_instance.sh
+++ b/oci/create_instance.sh
@@ -120,7 +120,7 @@ check_dependencies() {
 #   16位随机密码
 #
 generate_password() {
-    LC_ALL=C tr -dc 'A-Za-z0-9!#%&()*+,-.:;<=>?@[]^_~' </dev/urandom | head -c 16
+    LC_ALL=C tr -dc 'A-Za-z0-9!#%&()*+,-.:;<=>?@[]^_~' </dev/urandom | head -c 16 || true
 }
 
 #
@@ -463,4 +463,4 @@ main() {
 }
 
 # 执行主函数
-main "$@"
\ No newline at end of file
+main "$@"