创建 DatabaseQueryException.java

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

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