diff --git a/web/public/js/components/common/values-box.js b/web/public/js/components/common/values-box.js
index b5cbd50a..a40cd435 100644
--- a/web/public/js/components/common/values-box.js
+++ b/web/public/js/components/common/values-box.js
@@ -1,5 +1,5 @@
 Vue.component("values-box", {
-	props: ["values", "v-values", "size", "maxlength", "name", "placeholder", "v-allow-empty"],
+	props: ["values", "v-values", "size", "maxlength", "name", "placeholder", "v-allow-empty", "validator"],
 	data: function () {
 		let values = this.values;
 		if (values == null) {
@@ -44,6 +44,22 @@ Vue.component("values-box", {
 				}
 			}
 
+			// validate
+			if (typeof(this.validator) == "function") {
+				let resp = this.validator.call(this, this.value)
+				if (typeof resp == "object") {
+					if (typeof resp.isOk == "boolean" && !resp.isOk) {
+						if (typeof resp.message == "string") {
+							let that = this
+							teaweb.warn(resp.message, function () {
+								that.$refs.value.focus();
+							})
+						}
+						return
+					}
+				}
+			}
+
 			if (this.isUpdating) {
 				Vue.set(this.realValues, this.index, this.value);
 			} else {
diff --git a/web/public/js/components/server/http-cache-ref-box.js b/web/public/js/components/server/http-cache-ref-box.js
index cfd266a8..294cc862 100644
--- a/web/public/js/components/server/http-cache-ref-box.js
+++ b/web/public/js/components/server/http-cache-ref-box.js
@@ -190,7 +190,10 @@ Vue.component("http-cache-ref-box", {
 	<tr v-if="condCategory == 'simple'">
 		<td class="color-border">{{condComponent.paramsTitle}} *</td>
 		<td>
-			<component :is="condComponent.component" :v-cond="ref.simpleCond"></component>
+			<component :is="condComponent.component" :v-cond="ref.simpleCond" v-if="condComponent.type != 'params'"></component>
+			<table class="ui table" v-if="condComponent.type == 'params'">
+				<component :is="condComponent.component" :v-cond="ref.simpleCond"></component>
+			</table>
 		</td>
 	</tr>
 	<tr v-if="condCategory == 'simple' && condComponent.caseInsensitive">
diff --git a/web/public/js/components/server/http-cond-definitions.js b/web/public/js/components/server/http-cond-definitions.js
index 072848b3..cfdba943 100644
--- a/web/public/js/components/server/http-cond-definitions.js
+++ b/web/public/js/components/server/http-cond-definitions.js
@@ -716,8 +716,7 @@ Vue.component("http-cond-params", {
 			this.cond.value = this.versionRangeMinValue + "," + this.versionRangeMaxValue
 		}
 	},
-	template: `<table class="ui table definition">
-<tbody>
+	template: `<tbody>
 	<tr>
 		<td style="width: 8em">参数值</td>
 		<td>
@@ -835,5 +834,5 @@ Vue.component("http-cond-params", {
 		</td>
 	</tr>
 </tbody>
-</table>`
+`
 })
\ No newline at end of file
diff --git a/web/public/js/utils.js b/web/public/js/utils.js
index efbef7db..d1955eec 100644
--- a/web/public/js/utils.js
+++ b/web/public/js/utils.js
@@ -991,7 +991,45 @@ window.teaweb = {
 		}
 		return color
 	},
-	DefaultChartColor: "#9DD3E8"
+	DefaultChartColor: "#9DD3E8",
+	validateIP: function (ip) {
+		if (typeof ip != "string") {
+			return false
+		}
+
+		if (ip.length == 0) {
+			return false
+		}
+
+		// IPv6
+		if (ip.indexOf(":") >= 0) {
+			let pieces = ip.split(":")
+			if (pieces.length > 8) {
+				return false
+			}
+			let isOk = true
+			pieces.forEach(function (piece) {
+				if (!/^[\da-fA-F]{0,4}$/.test(piece)) {
+					isOk = false
+				}
+			})
+
+			return isOk
+		}
+
+		if (!ip.match(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/)) {
+			return false
+		}
+		let pieces = ip.split(".")
+		let isOk = true
+		pieces.forEach(function (v) {
+			let v1 = parseInt(v)
+			if (v1 > 255) {
+				isOk = false
+			}
+		})
+		return isOk
+	}
 }
 
 String.prototype.quoteIP = function () {