diff --git a/WebContent/WEB-INF/etc/jbo/jbo_comm.xml b/WebContent/WEB-INF/etc/jbo/jbo_comm.xml
index fca71008e..9df8d718c 100644
--- a/WebContent/WEB-INF/etc/jbo/jbo_comm.xml
+++ b/WebContent/WEB-INF/etc/jbo/jbo_comm.xml
@@ -506,7 +506,7 @@
 				<attribute name="flowno" label="流程编号" type="STRING" length="32"/>
 				<attribute name="taskno" label="步骤编号" type="STRING" length="32"/>
 				<attribute name="nodeno" label="节点编号" type="STRING" length="200"/>
-				<attribute name="param" label="参数" type="STRING" length="500"/>
+				<attribute name="param" label="参数" type="STRING" length="2000"/>
 				<attribute name="templetno" label="模板编号" type="STRING" length="100"/>
 			</attributes>
 			<manager>