diff --git a/api/env.example b/api/env.example
index 1354233d..8ceb3934 100644
--- a/api/env.example
+++ b/api/env.example
@@ -71,6 +71,18 @@ ENABLE_SINGLE_SESSION=
 MAX_FILE_SIZE=52428800  # 50MB:10 * 1024 * 1024
 FILE_PATH=/files
 
+# RAG Setting
+DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1
+HF_ENDPOINT=https://hf-mirror.com
+MINERU_EXECUTABLE=mineru
+MINERU_APISERVER=http://host.docker.internal:9987
+MINERU_OUTPUT_DIR=/files
+MINERU_BACKEND=pipeline
+MINERU_DELETE_OUTPUT=1
+TEXTLN_APISERVER=https://api.textin.com/ai/service/v1/pdf_to_markdown
+TEXTLN_APP_ID=
+TEXTLN_SECRET_CODE=
+
 # VOLC ASR
 VOLC_APP_KEY=
 VOLC_ACCESS_KEY=