项目初始化

klp-common/src/main/java/com/klp/common/exception/DemoModeException.java

@@ -0,0 +1,13 @@
+package com.klp.common.exception;
+
+/**
+ * 演示模式异常
+ *
+ * @author klp
+ */
+public class DemoModeException extends RuntimeException {
+    private static final long serialVersionUID = 1L;
+
+    public DemoModeException() {
+    }
+}