refactor(symbols): 简化K线数据存储逻辑

Administrator

yesterday 381b104913b1f2874aade5e16db7f3f49003b70c

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

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

    private String privateKey;

    private String publicKey;
}