修复了发布时间可能为负数的bug

site/src/main/java/com/mooctest/crowd/site/data/vo/CrowdTaskVO.java

@@ -81,8 +81,10 @@ public class CrowdTaskVO {
                 this.time_interval=times[1]+"小时前发布";
             }else if(times[2]>0){
                 this.time_interval=times[2]+"分钟前发布";
-            }else{
+            }else if(times[3]>0){
                 this.time_interval=times[3]+"秒前发布";
+            } else if(times[3]<0){
+                this.time_interval=times[3]*-1+"秒前发布";
             }
         } catch (ParseException e) {
             e.printStackTrace();

site/src/main/java/com/mooctest/crowd/site/data/vo/CrowdTestProjectVO.java

@@ -86,8 +86,10 @@ public class CrowdTestProjectVO {
                 this.time_interval=times[1]+"小时前发布";
             }else if(times[2]>0){
                 this.time_interval=times[2]+"分钟前发布";
-            }else{
+            }else if(times[3]>0){
                 this.time_interval=times[3]+"秒前发布";
+            }else if(times[3]<0){
+                this.time_interval=times[3]*-1+"秒前发布";
             }
         } catch (ParseException e) {
             e.printStackTrace();