diff --git a/src/main/webapp/WEB-INF/views/cfg/intercept/strateagy/form.jsp b/src/main/webapp/WEB-INF/views/cfg/intercept/strateagy/form.jsp
index b3916ed71..ae161cbf3 100644
--- a/src/main/webapp/WEB-INF/views/cfg/intercept/strateagy/form.jsp
+++ b/src/main/webapp/WEB-INF/views/cfg/intercept/strateagy/form.jsp
@@ -339,7 +339,7 @@ function privateFileValidate(){
 									        <div class="form-group">
 									            <label class="control-label col-md-3"><font color="red">*</font><spring:message code="expire_after"/></label>
 									            <div class="col-md-6">
-									            	 <input class="form-control required number" type="text" min="1" name="expireAfter" value="${_cfg.expireAfter}" onkeyup="if(this.value.length==1){this.value=this.value.replace(/[^1-9]/g,'')}else{this.value=this.value.replace(/\D/g,'')}" onafterpaste="if(this.value.length==1){this.value=this.value.replace(/[^1-9]/g,'')}else{this.value=this.value.replace(/\D/g,'')}" oninput="if(this.value>2147483647)this.value=2147483647">
+									            	 <input class="form-control required digits" type="text" min="1" name="expireAfter" value="${_cfg.expireAfter}" range="[1,2147483647]">
 									            </div>
 											    <div for="expireAfter"></div>
 									        </div>