From 54127318a4266fc53037e9f1b51a6eb3102e7aaf Mon Sep 17 00:00:00 2001
From: JustThink <wecandoitjustthink@gmail.com>
Date: Wed, 3 Feb 2021 02:43:53 +1300
Subject: [PATCH] =?UTF-8?q?SpiderStatus=E4=B8=ADgetPagePerSecond()?=
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---
 .../java/us/codecraft/webmagic/monitor/SpiderStatus.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/webmagic-extension/src/main/java/us/codecraft/webmagic/monitor/SpiderStatus.java b/webmagic-extension/src/main/java/us/codecraft/webmagic/monitor/SpiderStatus.java
index a87c040..69afe04 100644
--- a/webmagic-extension/src/main/java/us/codecraft/webmagic/monitor/SpiderStatus.java
+++ b/webmagic-extension/src/main/java/us/codecraft/webmagic/monitor/SpiderStatus.java
@@ -84,8 +84,13 @@ public class SpiderStatus implements SpiderStatusMXBean {
 
     @Override
     public int getPagePerSecond() {
-        int runSeconds = (int) (System.currentTimeMillis() - getStartTime().getTime()) / 1000;
-        return getSuccessPageCount() / runSeconds;
+        if (getStartTime() != null) {
+            int runSeconds = (int) (System.currentTimeMillis() - getStartTime().getTime()) / 1000;
+            if (runSeconds != 0) {
+                return getSuccessPageCount() / runSeconds;
+            }
+        }
+        return -1;
     }
 
 }