diff --git a/tools/tdgpt/dockerfile/tdgpt/Dockerfile b/tools/tdgpt/dockerfile/tdgpt/Dockerfile
index 69ab7de449..1a6ebbf3f1 100644
--- a/tools/tdgpt/dockerfile/tdgpt/Dockerfile
+++ b/tools/tdgpt/dockerfile/tdgpt/Dockerfile
@@ -3,6 +3,7 @@ WORKDIR /apps
 ENV DEBIAN_FRONTEND=noninteractive
 ARG pkgFile
 ARG dirName
+# taos.pth could be downloaded from nas(TDengine/anode/taos.pth)
 ADD ${pkgFile} taos.pth taos_ts_server.py /apps/
 RUN cd ${dirName}/ && /bin/bash install.sh -e no && cd .. && rm -rf ${dirName}
 COPY entrypoint.sh /usr/local/bin/entrypoint.sh