fix: fix #479

scripts/preflight.sh

@@ -372,7 +372,7 @@ EOF
 }
 _revoke_rc() {
     _detect_rc
-    sed -i.bak "/$start_flag/,/$end_flag/d" "$SHELL_RC_BASH" "$SHELL_RC_ZSH" 2>/dev/null
+    sed -i --follow-symlinks "/$start_flag/,/$end_flag/d" "$SHELL_RC_BASH" "$SHELL_RC_ZSH" 2>/dev/null
     [ -n "$SHELL_RC_FISH" ] && rm -f "$SHELL_RC_FISH" 2>/dev/null
 }