diff --git a/WebContent/Tenwa/Comm/DocList/LbCarLicensePlateInfoTemp.jsp b/WebContent/Tenwa/Comm/DocList/LbCarLicensePlateInfoTemp.jsp
index 2be2b8d61..77a01a9bf 100644
--- a/WebContent/Tenwa/Comm/DocList/LbCarLicensePlateInfoTemp.jsp
+++ b/WebContent/Tenwa/Comm/DocList/LbCarLicensePlateInfoTemp.jsp
@@ -55,6 +55,7 @@
 		}else{
 			setItemReadOnly(0,0,"pledge_date",true);
 			setItemRequired(0,"pledge_date",false);
+			setItemValue(0,0,"pledge_date","");
 		}
 	}
 	function isdelay(){
@@ -66,6 +67,7 @@
 		}else{
 			setItemReadOnly(0,0,"delay_date",true);	
 			setItemRequired(0,"delay_date",false);
+			setItemValue(0,0,"delay_date","");
 		}
 	}