diff --git a/front/src/components/Search/index.jsx b/front/src/components/Search/index.jsx
index 7655dd3..ad8d37f 100644
--- a/front/src/components/Search/index.jsx
+++ b/front/src/components/Search/index.jsx
@@ -1,5 +1,5 @@
 import React from "react";
-import { Input } from "antd";
+import { Input, Select } from "antd";
 import styles from "./index.module.less";
 import httpUtil from "../../util/httpUtil";
 
@@ -10,7 +10,9 @@ class Search extends React.Component {
       content: "",
       currentIndex: 0,
       isFocus: false,
-      resultList: []
+      resultList: [],
+      options: ["书签", "百度", "谷歌"],
+      currentOptionIndex: 0
     };
   }
 
@@ -18,9 +20,28 @@ class Search extends React.Component {
     this.clearTimer();
   }
 
+  valueIndexChange(newIndex) {
+    const { content } = this.state;
+    this.setState({ currentOptionIndex: newIndex });
+    if (newIndex === 0) {
+      this.search(content);
+    } else {
+      this.setState({ resultList: [] });
+    }
+  }
+
+  /**
+   * 输入内容改变
+   */
   contentChange(e) {
-    const content = e.target.value.trim();
+    const { currentOptionIndex } = this.state;
+    const content = e.target.value;
     this.setState({ content });
+    if (currentOptionIndex > 0) {
+      this.setState({ resultList: [] });
+      this.clearTimer();
+      return;
+    }
     this.clearTimer();
     this.timer = setTimeout(() => {
       this.search(content);
@@ -34,6 +55,9 @@ class Search extends React.Component {
     }
   }
 
+  /**
+   * 关键词检索
+   */
   search(content) {
     if (content.length === 0) {
       this.setState({ resultList: [] });
@@ -42,17 +66,37 @@ class Search extends React.Component {
     httpUtil.get("/bookmark/searchUserBookmark?content=" + encodeURIComponent(content)).then(res => this.setState({ resultList: res }));
   }
 
-  goTo(url) {
-    window.open(url);
+  /**
+   * 处理跳转到搜索引擎或者对应的书签
+   */
+  enter() {
+    const { currentIndex, currentOptionIndex, resultList, content } = this.state;
+    if (currentOptionIndex === 0 && resultList.length > 0) {
+      window.open(resultList[currentIndex].url);
+    }
+    if (currentOptionIndex === 1) {
+      window.open("https://www.baidu.com/s?ie=UTF-8&wd=" + encodeURIComponent(content));
+    } else if (currentOptionIndex === 2) {
+      window.open("https://www.google.com/search?q=" + encodeURIComponent(content));
+    }
   }
 
+  /**
+   * 处理键盘按下事件
+   * @param {*} e
+   */
   keyUp(e) {
-    const { isFocus, resultList } = this.state;
+    const { isFocus, resultList, currentOptionIndex } = this.state;
     let currentIndex = this.state.currentIndex;
-    if (!isFocus || resultList.length === 0) {
+    if (!isFocus) {
       return;
     }
     switch (e.keyCode) {
+      // tab
+      case 9:
+        this.valueIndexChange((currentOptionIndex + 1) % 3);
+        e.preventDefault();
+        return;
       //上
       case 38:
         currentIndex--;
@@ -61,32 +105,41 @@ class Search extends React.Component {
       case 40:
         currentIndex++;
         break;
-      // enter
-      case 13:
-        this.goTo(resultList[currentIndex].url);
-        return;
       default:
         return;
     }
-    if (currentIndex < 0) {
-      currentIndex = resultList.length - 1;
-    } else if (currentIndex > resultList.length - 1) {
-      currentIndex = 0;
+    if (resultList.length > 0) {
+      if (currentIndex < 0) {
+        currentIndex = resultList.length - 1;
+      } else if (currentIndex > resultList.length - 1) {
+        currentIndex = 0;
+      }
+      this.setState({ currentIndex });
+      e.preventDefault();
     }
-    this.setState({ currentIndex });
-    e.preventDefault();
   }
 
   render() {
-    const { content, resultList, currentIndex } = this.state;
+    const { content, resultList, currentIndex, options, currentOptionIndex } = this.state;
+    const prefix = (
+      <Select value={options[currentOptionIndex]} onChange={this.valueIndexChange.bind(this)}>
+        {options.map((item, index) => (
+          <Select.Option key={index} value={index}>
+            {item}
+          </Select.Option>
+        ))}
+      </Select>
+    );
     return (
       <div className={styles.main}>
         <Input.Search
+          addonBefore={prefix}
           ref="searchInput"
           value={content}
-          placeholder="搜索书签"
+          placeholder={currentOptionIndex === 0 ? "检索我的书签" : "搜索"}
           enterButton
           allowClear
+          onSearch={this.enter.bind(this)}
           onChange={this.contentChange.bind(this)}
           onKeyDown={this.keyUp.bind(this)}
           onFocus={() => this.setState({ isFocus: true })}
@@ -95,11 +148,7 @@ class Search extends React.Component {
         {resultList.length > 0 ? (
           <div className={styles.resultList}>
             {resultList.map((item, index) => (
-              <div
-                className={`${styles.item} ${index === currentIndex ? styles.checked : ""}`}
-                key={item.bookmarkId}
-                onClick={this.goTo.bind(this, item.url)}
-              >
+              <div className={`${styles.item} ${index === currentIndex ? styles.checked : ""}`} key={item.bookmarkId} onClick={this.enter.bind(this)}>
                 <span style={{ fontWeight: 600 }}>{item.name}&emsp;</span>
                 <span style={{ fontSize: "0.8em", fontWeight: 400 }}>{item.url}</span>
               </div>