diff --git a/projects/Compilers.md b/projects/Compilers.md
index 02707ad..675a9bb 100644
--- a/projects/Compilers.md
+++ b/projects/Compilers.md
@@ -16,6 +16,7 @@
 * [BUPT-CS-Assignment](https://github.com/BUPT-CS-Assignment/Lexer) (C++)
 * [YangChen-pro](https://github.com/YangChen-pro/bupt-assignments/tree/main/3rd%20year%20of%20BUPT/First%20semester/Compilation/lexical%20analysis) (C++ & Lex)
 * [ProgrameThinking](https://github.com/ProgrameThinking/Compiler_bupt)(C++)
+* [renfei147](https://github.com/renfei147/bupt_work_collection/tree/main/compiler)(C++)
 
 ### 语法分析
 
@@ -33,6 +34,7 @@
 * [BUPT-CS-Assignment](https://github.com/BUPT-CS-Assignment/SyntaxAnalyzer) (C++)
 * [YangChen-pro](https://github.com/YangChen-pro/bupt-assignments/tree/main/3rd%20year%20of%20BUPT/First%20semester/Compilation/grammar%20analysis) (Python & Yacc)
 * [ProgrameThinking](https://github.com/ProgrameThinking/Compiler_bupt)(C++)
+* [renfei147](https://github.com/renfei147/bupt_work_collection/tree/main/compiler)(C++)
 
 ### 语义分析
 
diff --git a/projects/Program-Practice.md b/projects/Program-Practice.md
index 176380f..8e766f8 100644
--- a/projects/Program-Practice.md
+++ b/projects/Program-Practice.md
@@ -21,3 +21,4 @@
 * [td](https://github.com/tangdouer1005/customer-service-robot): (rust)
 * [ProgrameThinking](https://github.com/ProgrameThinking/robot_dsl):(rust)
 * [jackfiled](https://github.com/jackfiled/Katheryne): (C#)
+* [renfei147](https://github.com/renfei147/bupt_work_collection/tree/main/ChattyCat): (Typescript)
\ No newline at end of file