Update pv_uv_shopcard.md

@@ -18,7 +18,7 @@
     get  http://ip:port/data-analysis-web/click_analysis/input_click?appType=ios&topLabel=1&secondLabels=1,2,3&from=1483693640&to=1483693680
 #### 请求内容json
     {
-    "apptype": "android",
+    "appType": "android",
     "from": 1482757176,
     "to": 1482757776,
     "topLabel": 1,