diff --git a/jobs/WuhanPneumonia/config.xml b/jobs/WuhanPneumonia/config.xml
index 7ff93137ab1203394cad1705ac3c2ecf15dc1910..cda66297fe512202f92113ebc7a8f87e2d295960 100644
--- a/jobs/WuhanPneumonia/config.xml
+++ b/jobs/WuhanPneumonia/config.xml
@@ -62,7 +62,7 @@
   <blockBuildWhenUpstreamBuilding>false</blockBuildWhenUpstreamBuilding>
   <triggers>
     <hudson.triggers.TimerTrigger>
-      <spec>H H(8-23)/4 * * 1-5</spec>
+      <spec>H H(8-23)/3 * * 1-5</spec>
     </hudson.triggers.TimerTrigger>
   </triggers>
   <concurrentBuild>false</concurrentBuild>