Merge branch 'otc' of http://120.27.238.55:7000/r/exchange into otc

xiaoyong931011

2021-05-25 3341b7a0e2a8c719cf6eaf1591a721ec6b8e1fe4

 src/main/java/com/xcong/excoin/configurations/properties/SecurityProperties.java

@@ -14,4 +14,6 @@
public class SecurityProperties {

    private String privateKey;

    private String publicKey;
}