diff --git a/README.md b/README.md
index 217a6e7..68f68ca 100644
--- a/README.md
+++ b/README.md
@@ -70,10 +70,28 @@
 
 ## 三、Spark
 
+**Spark Core :**
+
 1. Spark简介
 2. [Spark单机版本环境搭建](https://github.com/heibaiying/BigData-Notes/blob/master/notes/installation/Spark%E5%8D%95%E6%9C%BA%E7%89%88%E6%9C%AC%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA.md)
-3. RDD详解
-4. Spark Transformation 和 Action
+3. 弹性式数据集RDD
+4. Spark命令行的基本使用
+5. RDD常用算子之——Transformation Action
+6. RDD常用算子之——Action
+7. Spark广播变量与累加器
+
+**Spark SQL :**
+
+1. DataFrame和DateSet
+2. Spark SQL之常用SQL语句
+3. External Data Source
+
+**Spark Streaming ：**
+
+1. Spark Streaming简介
+2. DStream常用函数
+3. Spark Streaming 整合 flume
+4. Spark Streaming 整合 kafka
 
 ## 四、Flink
 
diff --git a/code/spark/spark-base/output/wcResult/._SUCCESS.crc b/code/spark/spark-base/output/wcResult/._SUCCESS.crc
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diff --git a/code/spark/spark-base/output/wcResult/_SUCCESS b/code/spark/spark-base/output/wcResult/_SUCCESS
deleted file mode 100644
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diff --git a/code/spark/spark-base/output/wcResult/part-00000 b/code/spark/spark-base/output/wcResult/part-00000
deleted file mode 100644
index 5c32392..0000000
--- a/code/spark/spark-base/output/wcResult/part-00000
+++ /dev/null
@@ -1 +0,0 @@
-(mapreduce,1)
diff --git a/code/spark/spark-base/output/wcResult/part-00001 b/code/spark/spark-base/output/wcResult/part-00001
deleted file mode 100644
index 575646b..0000000
--- a/code/spark/spark-base/output/wcResult/part-00001
+++ /dev/null
@@ -1,2 +0,0 @@
-(spark,2)
-(hadoop,2)
diff --git a/code/spark/spark-base/src/main/scala/com/heibaiying/spark/rdd/WordCount.scala b/code/spark/spark-base/src/main/scala/com/heibaiying/spark/rdd/WordCount.scala
index bd418b7..8c7c3f8 100644
--- a/code/spark/spark-base/src/main/scala/com/heibaiying/spark/rdd/WordCount.scala
+++ b/code/spark/spark-base/src/main/scala/com/heibaiying/spark/rdd/WordCount.scala
@@ -3,14 +3,12 @@ package com.heibaiying.spark.rdd
 import org.apache.spark.{SparkConf, SparkContext}
 
 
-object WordCount {
+object WordCount extends App {
 
-  def main(args: Array[String]): Unit = {
-    val conf = new SparkConf().setAppName("sparkBase").setMaster("local[2]")
-    val sc = new SparkContext(conf)
-    val rdd = sc.textFile("input/wc.txt").flatMap(_.split(",")).map((_, 1)).reduceByKey(_ + _)
-    rdd.foreach(println)
-    rdd.saveAsTextFile("output/")
-  }
+  val conf = new SparkConf().setAppName("sparkBase").setMaster("local[2]")
+  val sc = new SparkContext(conf)
+  val rdd = sc.textFile("input/wc.txt").flatMap(_.split(",")).map((_, 1)).reduceByKey(_ + _)
+  rdd.foreach(println)
+  rdd.saveAsTextFile("output/")
 
 }
\ No newline at end of file
diff --git a/notes/Spark-RDD.md b/notes/Spark-RDD.md
new file mode 100644
index 0000000..90d91eb
--- /dev/null
+++ b/notes/Spark-RDD.md
@@ -0,0 +1,2 @@
+弹性式数据集RDD
+