Catch file syntax error of encrypted data

[H1MSK]

Proposed Changes

• Fixes alerting "Incorrect password" when parsing content with syntax error

@MikeCoder

[H1MSK]

example .md file

---
title: Example
---

<script lang="javascript">
    function f() {
    //error here
</script>

[D0n9X1n]

Nice job.

[xiazeyu]

I think these words are better to change.
Function LGTM.