创建 DatabaseUpdateException.java

src/main/java/com/kimgo/wepush/exceptions/DatabaseUpdateException.java

@@ -0,0 +1,11 @@
+package com.kimgo.wepush.exceptions;
+
+public class DatabaseUpdateException extends Exception{
+    public DatabaseUpdateException(String message) {
+        super(message);
+    }
+
+    public DatabaseUpdateException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}