diff --git a/doc/java接口说明文档.docx b/doc/java接口说明文档.docx
deleted file mode 100644
index 66c149f..0000000
Binary files a/doc/java接口说明文档.docx and /dev/null differ
diff --git a/doc/上清所签名验签服务器JAVA接口说明文档.pdf b/doc/上清所签名验签服务器JAVA接口说明文档.pdf
new file mode 100644
index 0000000..ed167ff
Binary files /dev/null and b/doc/上清所签名验签服务器JAVA接口说明文档.pdf differ