diff --git a/chapter2/init.sql b/chapter2/init.sql
index ee06b37..f9101e7 100644
--- a/chapter2/init.sql
+++ b/chapter2/init.sql
@@ -87,3 +87,4 @@ create table datas (
 ) comment = '通用配置表';
 insert into datas (`key`, data) values ('from_type', '{}');
 insert into datas (`key`, data) values ('last_month_sell', '{}');
+insert into datas (`key`, data) values ('hour_sell', '{}');
diff --git a/chapter2/mysite/myapp/static/scripts/trend.js b/chapter2/mysite/myapp/static/scripts/trend.js
index ae490be..57a47c2 100755
--- a/chapter2/mysite/myapp/static/scripts/trend.js
+++ b/chapter2/mysite/myapp/static/scripts/trend.js
@@ -82,7 +82,6 @@ $(function(){
    
    
 
-   //主要症状
    var histogramChart2 = echarts.init(document.getElementById('histogramChart2'));
    histogramChart2.setOption({
 
diff --git a/chapter2/mysite/myapp/templates/myapp/result.html b/chapter2/mysite/myapp/templates/myapp/result.html
index 3b9384d..b9e3b2d 100644
--- a/chapter2/mysite/myapp/templates/myapp/result.html
+++ b/chapter2/mysite/myapp/templates/myapp/result.html
@@ -86,7 +86,7 @@
     </div>
     <div class="left div_any01" style="width:41.5%;">
         <div class="div_any_child" style="height: 420px;">
-            <div class="div_any_title"><img src="{% static "images/title_14.png" %}">时段访问占比</div>
+            <div class="div_any_title"><img src="{% static "images/title_14.png" %}">时段购买占比</div>
             <p id="histogramChart2" class="p_chart" style="height: 400px;"></p>
         </div>
     </div>
diff --git a/chapter3/spark.py b/chapter3/spark.py
index 3b78bcc..6f1bda8 100644
--- a/chapter3/spark.py
+++ b/chapter3/spark.py
@@ -57,6 +57,15 @@ def collect_last_month_sells(spark):
         data[month] = jd_comment_count
     mysql_execute("update datas set data = '{}' where `key` = 'last_month_sell'".format( json.dumps(data,ensure_ascii=False) ))
 
+def collect_hour_sells(spark):
+    data = {}
+    for i in range(24):
+        hour = "%02d" % (i)
+        df = spark.sql("select count(*) as N from jd_comment where comment_time like '% "+hour+":%'")
+        jd_comment_count = df.rdd.collect()[0]["N"]
+        data[hour] = jd_comment_count
+
+    mysql_execute("update datas set data = '{}' where `key` = 'hour_sell'".format( json.dumps(data,ensure_ascii=False) ))
 
 
 def collect_crawl_info(spark):
@@ -137,6 +146,7 @@ if __name__ == "__main__":
             collect_top10_sells(spark)
             collect_from_type(spark)
             collect_last_month_sells(spark)
+            collect_hour_sells(spark)
             count = 1
 
         time.sleep(10)