diff --git a/ai-box/Dockerfile b/ai-box/Dockerfile
index 8a195492acfff1bfbcd979e69400377119c18ec8..796e339e590b89f6d3de4ac0da6fcab771a82f09 100644
--- a/ai-box/Dockerfile
+++ b/ai-box/Dockerfile
@@ -24,10 +24,11 @@ ENV LIBRARY_PATH /usr/lib/gcc/x86_64-linux-gnu/8
 
 COPY sources.list /etc/apt/sources.list
 COPY requirements.txt ./
+COPY simsun.ttc /usr/local/fonts/
 RUN apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 40976EAF437D05B5 \
     && apt-key adv --recv-keys --keyserver keyserver.ubuntu.com 3B4FE6ACC0B21F32 \
     && apt-get update \
-    && apt-get install -y --no-install-recommends --allow-unauthenticated \
+    && apt-get install -y --allow-unauthenticated \
          bzip2 gcc libmysqlclient-dev libzbar-dev \
          littler r-cran-littler r-cran-stringr \
          r-base=3.5.1-* r-base-dev=3.5.1-* r-recommended=3.5.1-* \
diff --git a/ai-box/simsun.ttc b/ai-box/simsun.ttc
new file mode 100644
index 0000000000000000000000000000000000000000..5f22ce3f46875d8ccdafe6946a61c8b961e041df
Binary files /dev/null and b/ai-box/simsun.ttc differ