diff --git a/src/api/db.js b/src/api/db.js
index d617d55..5479d09 100644
--- a/src/api/db.js
+++ b/src/api/db.js
@@ -15,28 +15,42 @@ login();
 
 const db = app.database();
 const _ = db.command
-const counter = db.collection('QRCounter');
 
-export function update(value) {
-    counter.where({
+export function increaseDownloadData(value, date) {
+    db.collection('QRCounter').where({
         value: _.eq(value)
     }).get().then(res => {
         if (res.data.length > 0) {
-            counter.where({
+            db.collection('QRCounter').where({
                 value: _.eq(value)
             }).update({
-                count: _.inc(1)
+                count: _.inc(1),
+                date: date
             }).then(res => {
                 console.log(res)
             })
         }
         else {
-            counter.add({
+            db.collection('QRCounter').add({
                 value: value,
-                count: 1
+                count: 1,
+                date: date
             }).then(res => {
                 console.log(res)
             })
         }
     })
 }
+
+export function recordDownloadDetail({text, value, type, params, history}) {
+    db.collection('QRDownloadData').add({
+        date: new Date().toString(),
+        text: text,
+        value: value,
+        type: type,
+        params: params,
+        history: history
+    }).then(res => {
+        console.log(res)
+    })
+}
diff --git a/src/components/Qrcode.js b/src/components/Qrcode.js
index 9804cdf..0795dd5 100644
--- a/src/components/Qrcode.js
+++ b/src/components/Qrcode.js
@@ -18,6 +18,7 @@ import QrRendererRandRect from "./QrRendererRandRect";
 import QrRendererDSJ from "./QrRendererDSJ";
 import QrRenderer25D from "./QrRenderer25D";
 import QrRendererImage from "./QrRendererImage";
+import {recordDownloadDetail} from "../api/db";
 
 const logoStyle = {
     background: `url(${logo})`,
@@ -49,7 +50,8 @@ class Qrcode extends React.Component {
             qrcode: null,
             paramInfo: [],
             paramValue: [],
-            correctLevel: 0
+            correctLevel: 0,
+            history: []
         };
         this.paramInfoBuffer = new Array(16).fill(new Array(16));
         this.paramValueBuffer = new Array(16).fill(new Array(16));
@@ -90,15 +92,41 @@ class Qrcode extends React.Component {
     }
 
     downloadSvg = (e) => {
-        const style = styleList[this.state.selectedIndex]
-        const el = React.createElement(style.renderer, {qrcode: this.state.qrcode, params: this.state.paramValue[this.state.selectedIndex]})
+        const selected = this.state.selectedIndex
+        const style = styleList[selected]
+        const el = React.createElement(style.renderer, {qrcode: this.state.qrcode, params: this.state.paramValue[selected]})
         saveSvg(style.value, ReactDOMServer.renderToString(el))
+        recordDownloadDetail({
+            text: this.state.text,
+            value: styleList[selected],
+            type: 'svg',
+            params: this.state.paramInfo[selected].map((item, index) => {
+                return {
+                    key: item.key,
+                    value: item.choices ? item.choices[this.state.paramValue[selected][index]] : this.state.paramValue[selected][index]
+                }
+            }),
+            history: this.state.history
+        });
     }
 
     downloadImg = (e) => {
-        const style = styleList[this.state.selectedIndex]
-        const el = React.createElement(style.renderer, {qrcode: this.state.qrcode, params: this.state.paramValue[this.state.selectedIndex]})
+        const selected = this.state.selectedIndex
+        const style = styleList[selected]
+        const el = React.createElement(style.renderer, {qrcode: this.state.qrcode, params: this.state.paramValue[selected]})
         saveImg(style.value, ReactDOMServer.renderToString(el), 1500, 1500)
+        recordDownloadDetail({
+            text: this.state.text,
+            value: styleList[selected],
+            type: 'jpg',
+            params: this.state.paramInfo[selected].map((item, index) => {
+                return {
+                    key: item.key,
+                    value: item.choices ? item.choices[this.state.paramValue[selected][index]] : this.state.paramValue[selected][index]
+                }
+            }),
+            history: this.state.history
+        });
     }
 
     renderParamEditor = (info, index) => {
@@ -150,6 +178,12 @@ class Qrcode extends React.Component {
         }
     }
 
+    changeStyle = (index) => {
+        const newHistory = this.state.history.slice();
+        newHistory.push(styleList[index].value);
+        this.setState({selectedIndex: index, history: newHistory})
+    }
+
     render() {
         return (
             <div className="Qr-outer">
@@ -187,7 +221,7 @@ class Qrcode extends React.Component {
                                         })}
                                         text={this.state.text}
                                         selected={index == this.state.selectedIndex}
-                                        onSelected={() => this.setState({selectedIndex: index})}
+                                        onSelected={this.changeStyle}
                                     />
                                 })
                             }
diff --git a/src/utils/downloader.js b/src/utils/downloader.js
index 78af1d1..75a0548 100644
--- a/src/utils/downloader.js
+++ b/src/utils/downloader.js
@@ -1,4 +1,4 @@
-import {insert, update} from "../api/db";
+import {increaseDownloadData} from "../api/db";
 
 const svgHead = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n " +
     "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 20010904//EN\" \"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n"
@@ -18,7 +18,7 @@ export function saveSvg(value, content) {
     a.hidden = true
     a.click()
 
-    update(value)
+    increaseDownloadData(value, new Date().toString())
 }
 
 export function saveImg(value, content, width, height) {
@@ -60,8 +60,9 @@ export function saveImg(value, content, width, height) {
         a.setAttribute('target', 'download')
         a.setAttribute('download', filename);
         a.click();
-        update(value)
     };
 
     img.setAttribute('src', 'data:image/svg+xml;base64,' + btoa(svgData));
+
+    increaseDownloadData(value, new Date().toString())
 }