修改bug

@@ -280,6 +280,9 @@
     }
 
     function changePlatform() {
+        //把已选的环境变量去掉
+        $('input:checkbox[name=environment]').removeAttr("checked");
+
         var platform = $('input:radio[name=platform]:checked').val();
         var projectType=$("input[name='projectTypes']:checked").val();
         var getProjectUrl=contextPath + 'workSystem/getProjectsByPlatform?platform='+platform;