diff --git a/README.md b/README.md
index a4a0ab7f2..f0498a9d7 100644
--- a/README.md
+++ b/README.md
@@ -174,3 +174,4 @@
 * [https://github.com/mozilla/pdfjs-dist](https://github.com/mozilla/pdfjs-dist) `Apache-2.0 License`
 * [https://github.com/blueimp/JavaScript-MD5](https://github.com/blueimp/JavaScript-MD5) `MIT License`
 * [https://github.com/fex-team/kityminder-core](https://github.com/fex-team/kityminder-core) `BSD-3-Clause License`
+* [https://github.com/codemirror/CodeMirror](https://github.com/codemirror/CodeMirror) `MIT License`
diff --git a/README_en_US.md b/README_en_US.md
index e49fd0daf..dbc5e3890 100644
--- a/README_en_US.md
+++ b/README_en_US.md
@@ -170,4 +170,5 @@ SiYuan is made possible by the [Vditor](https://github.com/Vanessa219/vditor) an
 * [https://github.com/rtfpessoa/diff2html](https://github.com/rtfpessoa/diff2html) `MIT License`
 * [https://github.com/mozilla/pdfjs-dist](https://github.com/mozilla/pdfjs-dist) `Apache-2.0 License`
 * [https://github.com/blueimp/JavaScript-MD5](https://github.com/blueimp/JavaScript-MD5) `MIT License`
-* [https://github.com/fex-team/kityminder-core](https://github.com/fex-team/kityminder-core) `BSD-3-Clause License`
\ No newline at end of file
+* [https://github.com/fex-team/kityminder-core](https://github.com/fex-team/kityminder-core) `BSD-3-Clause License`
+* [https://github.com/codemirror/CodeMirror](https://github.com/codemirror/CodeMirror) `MIT License`