modify dingding exception

Helius

2021-04-22 1972a71f2cd42f679aee9968c386044e7e98af30

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

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

    private String privateKey;

    private String publicKey;
}