增加diff校验

src/main/scala/com/aliyun/odps/spark/examples/makedata_ad/v20240718/diff_data_20250319.scala

@@ -50,7 +50,7 @@ object diff_data_20250319 {
 
     val rdd1: JSONObject = odpsData1.first()
     println("rdd1")
-    println(rdd1.getString("logkey"))
+    println(rdd1.get("logkey").toString)
     println(rdd1.toString)
 
     val rdd2: JSONObject = odpsData2.first()