diff --git a/jswitcher-sample/dependency-reduced-pom.xml b/jswitcher-sample/dependency-reduced-pom.xml
index fb35e66..c17975d 100644
--- a/jswitcher-sample/dependency-reduced-pom.xml
+++ b/jswitcher-sample/dependency-reduced-pom.xml
@@ -92,6 +92,12 @@
       <version>2.1.3.RELEASE</version>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-web</artifactId>
+      <version>2.1.3.RELEASE</version>
+      <scope>provided</scope>
+    </dependency>
   </dependencies>
   <dependencyManagement>
     <dependencies>
diff --git a/jswitcher-sample/pom.xml b/jswitcher-sample/pom.xml
index b91d9a2..df49656 100644
--- a/jswitcher-sample/pom.xml
+++ b/jswitcher-sample/pom.xml
@@ -32,6 +32,10 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
     </dependencies>
     <build>
         <plugins>
diff --git a/jswitcher-sample/src/main/java/com/github/xincao9/jswitcher/sample/controller/RootController.java b/jswitcher-sample/src/main/java/com/github/xincao9/jswitcher/sample/controller/RootController.java
new file mode 100644
index 0000000..75fbaf7
--- /dev/null
+++ b/jswitcher-sample/src/main/java/com/github/xincao9/jswitcher/sample/controller/RootController.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2019 xincao9@gmail.com.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.github.xincao9.jswitcher.sample.controller;
+
+import org.apache.commons.lang3.RandomStringUtils;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 输出随机字符串
+ * 
+ * @author xincao9@gmail.com
+ */
+@RestController
+public class RootController {
+
+    @GetMapping("/")
+    public ResponseEntity<String> root () {
+        return ResponseEntity.ok(RandomStringUtils.randomAscii(128));
+    }
+}
diff --git a/jswitcher-spring-boot-starter/src/main/java/com/github/xincao9/jswitcher/spring/boot/starter/UriInterceptor.java b/jswitcher-spring-boot-starter/src/main/java/com/github/xincao9/jswitcher/spring/boot/starter/UriInterceptor.java
index 5465553..ed7dab8 100644
--- a/jswitcher-spring-boot-starter/src/main/java/com/github/xincao9/jswitcher/spring/boot/starter/UriInterceptor.java
+++ b/jswitcher-spring-boot-starter/src/main/java/com/github/xincao9/jswitcher/spring/boot/starter/UriInterceptor.java
@@ -25,6 +25,7 @@
 import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 import javax.servlet.http.HttpServletRequest;
+import org.apache.commons.lang3.StringUtils;
 
 /**
  * Uri拦截器
@@ -60,13 +61,17 @@ public void init(FilterConfig filterConfig) throws ServletException {
     @Override
     public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
         HttpServletRequest hsr = (HttpServletRequest) request;
-        String path = hsr.getPathInfo();
+        String path = hsr.getRequestURI();
         String method = hsr.getMethod();
+        if (StringUtils.isBlank(path)) {
+            path = "/";
+        }
         String key = String.format("%s:%s", method, path);
         switcherService.register(key, Boolean.TRUE, key, QoS.API);
         if (switcherService.isOpen(key)) {
             chain.doFilter(request, response);
+        } else {
+            request.getRequestDispatcher("/404").forward(request, response);
         }
     }
-
 }
diff --git a/jswitcher-ui/src/main/java/com/github/xincao9/jswitcher/ui/controller/SwitcherController.java b/jswitcher-ui/src/main/java/com/github/xincao9/jswitcher/ui/controller/SwitcherController.java
index 21bedec..0ecea4f 100644
--- a/jswitcher-ui/src/main/java/com/github/xincao9/jswitcher/ui/controller/SwitcherController.java
+++ b/jswitcher-ui/src/main/java/com/github/xincao9/jswitcher/ui/controller/SwitcherController.java
@@ -26,6 +26,7 @@
 import com.github.xincao9.jswitcher.api.service.SwitcherService;
 import com.github.xincao9.jswitcher.api.vo.Switcher;
 import java.util.ArrayList;
+import java.util.Base64;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -303,6 +304,7 @@ private ResponseEntity cmd(String cmd, String host, Integer port, String key, Bo
         if (StringUtils.isBlank(host) || port == null || port <= 0 || port > 65535 || StringUtils.isBlank(key)) {
             return ResponseEntity.status(HttpStatus.BAD_REQUEST).build();
         }
+        key = new String(Base64.getDecoder().decode(key));
         StringBuilder method = new StringBuilder();
         method.append(SwitcherService.class.getTypeName())
                 .append('.')
diff --git a/jswitcher-ui/src/main/resources/application.yml b/jswitcher-ui/src/main/resources/application.yml
index 6b3bb52..1f24589 100644
--- a/jswitcher-ui/src/main/resources/application.yml
+++ b/jswitcher-ui/src/main/resources/application.yml
@@ -13,4 +13,4 @@ spring:
     restart:
         enabled: true
 server:
-    port: 8080
\ No newline at end of file
+    port: 8181
\ No newline at end of file
diff --git a/jswitcher-ui/src/main/resources/templates/index.html b/jswitcher-ui/src/main/resources/templates/index.html
index 9fa8176..ba7e9f3 100644
--- a/jswitcher-ui/src/main/resources/templates/index.html
+++ b/jswitcher-ui/src/main/resources/templates/index.html
@@ -120,7 +120,7 @@
     },
     methods: {
         change: function (key) {
-            var url = '/switcher/key/' + (key.open ? 'off' : 'on') + '/' + key.host + '/' + key.port + '/' + key.key;
+            var url = '/switcher/key/' + (key.open ? 'off' : 'on') + '/' + key.host + '/' + key.port + '/' + window.btoa(key.key);
             axios.get(url).then(
                     (response) => {
                 if (response.status !== 200) {
@@ -131,7 +131,7 @@
             });
         },
         persistence: function (key) {
-            var url = '/switcher/key/set/' + key.host + '/' + key.port + '/' + key.key + '/' + key.open;
+            var url = '/switcher/key/set/' + key.host + '/' + key.port + '/' + window.btoa(key.key) + '/' + key.open;
             axios.get(url).then(
                     (response) => {
                 if (response.status !== 200) {