update

Author: abnerlee

_posts/basic/2021-04-20-Export.md

@@ -229,7 +229,8 @@ You can [download the sample PDF here](/media/export/Markdown-Reference.pdf).
 
 **Note:** Please leave enough margin when you want to append page header or footer.
 
-**Note:** You can also set per-document headers / footers using [YAML Front Matter][yaml], after enabled “Read and overwrite export settings from YAML front matters” option in preferences panel. Sample YAML front matters is like:
+**Note:** You can also set per-document headers / footers using [YAML Front Matter][yaml], after enabled “Read and overwrite export settings from YAML front matters” option in the Settings panel under Export -> PDF. Sample YAML front matters is like:
+
 ```markdown
 ---
 header: 

_posts/how-to/2022-05-18-Advance Config.md

@@ -54,7 +54,7 @@ When enabled, the menubar is hidden, and you can toggle it is shown or hidden by
 
 ### `searchService`
 
-Please refer [Add Search Service](Add-Search-Service/).
+Please refer [Add Search Service](/Add-Search-Service/).
 
 ### `keyBinding`
 

_posts/reference/2019-01-16-License Agreement.md

@@ -55,7 +55,7 @@ You may not accept this EULA if You are not of legal age to form a binding contr
    2. rent, lease, lend, sell, redistribute, sublicense or otherwise commercially exploit the License Key, the Full version or the Trial version;
    3. assign the License Key, the Full version or the Trial version without prior written approval of us;
    4. Use the Beta version, Full version or Trial version for any unlawful or illegal activity, or to facilitate an unlawful or illegal activity;
-   5. After 15 days evaluation passed, continue uses versions after 1.0 for commercial usage, without a license code;
+   5. Use beta version, or after 15 days evaluation passed, continue uses Trial versions after 1.0 for commercial usage, without a license code;
    6. delete or alter any disclaimers, warnings, copyright or other proprietary notices accompanying the Software; or
    7. adapt (except as otherwise provided in this EULA), decompile, reverse engineer, disassemble, attempt to derive the source code of, modify or create derivative works of the Software and the License Key or any parts thereof, except to the extent permitted by applicable law.
    8. Exception: repackage (provide installation packages/scripts) Typora on Linux system is allowed if all contents (includes all binaries, resources files, scripts, etc) of Typora are not modified or deleted.