修正编译步骤

Dockerfile

@@ -24,8 +24,9 @@ RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo '$TZ' > /etc/timezone
 
 # 编译文档检测的部分内容
 COPY object_detection /app/object_detection
-RUN python object_detection/core/models/py_utils/_cpools/setup.py install --user  \
-    && cd object_detection/core/external \
+RUN cd /app/object_detection/core/models/py_utils/_cpools \
+    && python setup.py install --user \
+    && cd /app/object_detection/core/external \
     && make
 
 # 将当前目录内容复制到容器的/app内