diff --git a/src/component/Admin/Policy/Guid/S3Guide.js b/src/component/Admin/Policy/Guid/S3Guide.js
index 45b4f5f..a3baf1b 100644
--- a/src/component/Admin/Policy/Guid/S3Guide.js
+++ b/src/component/Admin/Policy/Guid/S3Guide.js
@@ -322,28 +322,6 @@ export default function S3Guide(props) {
                         setActiveStep(1);
                     }}
                 >
-                    <div className={classes.subStepContainer}>
-                        <div className={classes.stepNumberContainer}>
-                            <div className={classes.stepNumber}>0</div>
-                        </div>
-                        <div className={classes.subStepContent}>
-                            <Typography variant={"body2"}>
-                                Cloudreve 主站需要启用 CORS 支持，具体步骤如下：
-                                <br />
-                                修改 Cloudreve 配置文件，新增以下 CORS
-                                配置项，保存并重启 Cloudreve。
-                                <pre>
-                                    [CORS]
-                                    <br />
-                                    AllowOrigins = *<br />
-                                    AllowMethods = OPTIONS,GET,POST
-                                    <br />
-                                    AllowHeaders = *<br />
-                                </pre>
-                            </Typography>
-                        </div>
-                    </div>
-
                     <div className={classes.subStepContainer}>
                         <div className={classes.stepNumberContainer}>
                             <div className={classes.stepNumber}>1</div>
diff --git a/src/component/FileManager/ContextMenu.js b/src/component/FileManager/ContextMenu.js
index 29613fe..a898ac8 100644
--- a/src/component/FileManager/ContextMenu.js
+++ b/src/component/FileManager/ContextMenu.js
@@ -25,13 +25,13 @@ import { connect } from "react-redux";
 import { withRouter } from "react-router-dom";
 import { isCompressFile, isPreviewable, isTorrent } from "../../config";
 import Auth from "../../middleware/Auth";
-import { allowSharePreview } from "../../utils/index";
 import pathHelper from "../../utils/page";
 import RefreshIcon from "@material-ui/icons/Refresh";
 import {
     openPreview,
     setSelectedTarget,
     startBatchDownload,
+    startDownload,
     toggleObjectInfoSidebar,
 } from "../../redux/explorer/action";
 import {
@@ -154,8 +154,8 @@ const mapDispatchToProps = (dispatch) => {
         refreshFileList: () => {
             dispatch(refreshFileList());
         },
-        openPreview: () => {
-            dispatch(openPreview());
+        openPreview: (share) => {
+            dispatch(openPreview(share));
         },
         toggleObjectInfoSidebar: (open) => {
             dispatch(toggleObjectInfoSidebar(open));
@@ -169,6 +169,9 @@ const mapDispatchToProps = (dispatch) => {
         openFolderSelector: () => {
             dispatch(openFolderSelector());
         },
+        startDownload: (share, file) => {
+            dispatch(startDownload(share, file));
+        },
     };
 };
 
@@ -192,18 +195,7 @@ class ContextMenuCompoment extends Component {
     };
 
     openDownload = () => {
-        if (!allowSharePreview()) {
-            this.props.toggleSnackbar(
-                "top",
-                "right",
-                "未登录用户无法预览",
-                "warning"
-            );
-            this.props.changeContextMenu("file", false);
-            return;
-        }
-        this.props.changeContextMenu("file", false);
-        this.props.openLoadingDialog("获取下载地址...");
+        this.props.startDownload(this.props.share, this.props.selected[0]);
     };
 
     enterFolder = () => {
@@ -447,7 +439,9 @@ class ContextMenuCompoment extends Component {
                                 <div>
                                     <MenuItem
                                         dense
-                                        onClick={() => this.openDownload()}
+                                        onClick={() =>
+                                            this.openDownload(this.props.share)
+                                        }
                                     >
                                         <StyledListItemIcon>
                                             <DownloadIcon />
diff --git a/src/component/FileManager/Modals.js b/src/component/FileManager/Modals.js
index b667956..ee2cd6a 100644
--- a/src/component/FileManager/Modals.js
+++ b/src/component/FileManager/Modals.js
@@ -30,7 +30,6 @@ import {
     toggleSnackbar,
 } from "../../redux/explorer";
 import OptionSelector from "../Modals/OptionSelector";
-import { getDownloadURL } from "../../services/file";
 
 const styles = (theme) => ({
     wrapper: {
@@ -112,30 +111,13 @@ class ModalsCompoment extends Component {
     };
 
     newNameSuffix = "";
-    downloaded = false;
 
     UNSAFE_componentWillReceiveProps = (nextProps) => {
         if (this.props.dndSignale !== nextProps.dndSignale) {
             this.dragMove(nextProps.dndSource, nextProps.dndTarget);
             return;
         }
-        if (this.props.loading !== nextProps.loading) {
-            // 打包下载
-            if (nextProps.loading === true) {
-                if (nextProps.loadingText === "获取下载地址...") {
-                    if (
-                        pathHelper.isSharePage(this.props.location.pathname) &&
-                        this.props.share &&
-                        this.props.share.score > 0
-                    ) {
-                        this.scoreHandler(this.Download);
-                        return;
-                    }
-                    this.Download();
-                }
-            }
-            return;
-        }
+
         if (this.props.modalsStatus.rename !== nextProps.modalsStatus.rename) {
             const name = nextProps.selected[0].name;
             this.setState({
diff --git a/src/component/FileManager/ObjectIcon.js b/src/component/FileManager/ObjectIcon.js
index 5aa51ae..362b32c 100644
--- a/src/component/FileManager/ObjectIcon.js
+++ b/src/component/FileManager/ObjectIcon.js
@@ -10,7 +10,6 @@ import { useDrag } from "react-dnd";
 import { getEmptyImage } from "react-dnd-html5-backend";
 import DropWarpper from "./DnD/DropWarpper";
 import { useLocation } from "react-router-dom";
-import Auth from "../../middleware/Auth";
 import { pathBack } from "../../utils";
 import {
     changeContextMenu,
@@ -70,7 +69,13 @@ export default function ObjectIcon(props) {
         (text) => dispatch(openLoadingDialog(text)),
         [dispatch]
     );
-    const OpenPreview = useCallback(() => dispatch(openPreview()), [dispatch]);
+    const OpenPreview = useCallback((share) => dispatch(openPreview(share)), [
+        dispatch,
+    ]);
+    const StartDownload = useCallback(
+        (share, file) => dispatch(StartDownload(share, file)),
+        [dispatch]
+    );
 
     const classes = useStyles();
 
@@ -117,20 +122,8 @@ export default function ObjectIcon(props) {
             enterFolder();
             return;
         }
-        const isShare = statusHelper.isSharePage(location.pathname);
-        if (isShare) {
-            const user = Auth.GetUser();
-            if (!Auth.Check() && user && !user.group.shareDownload) {
-                ToggleSnackbar("top", "right", "请先登录", "warning");
-                return;
-            }
-        }
-        if (window.shareInfo && !window.shareInfo.preview) {
-            OpenLoadingDialog("获取下载地址...");
-            return;
-        }
 
-        OpenPreview();
+        OpenPreview(window.shareInfo);
     };
 
     const handleIconClick = (e) => {
diff --git a/src/component/Navbar/Navbar.js b/src/component/Navbar/Navbar.js
index e95f971..1aa161a 100644
--- a/src/component/Navbar/Navbar.js
+++ b/src/component/Navbar/Navbar.js
@@ -12,12 +12,7 @@ import MoveIcon from "@material-ui/icons/Input";
 import DeleteIcon from "@material-ui/icons/Delete";
 import MenuIcon from "@material-ui/icons/Menu";
 import { isPreviewable } from "../../config";
-import {
-    allowSharePreview,
-    changeThemeColor,
-    sizeToString,
-    vhCheck,
-} from "../../utils";
+import { changeThemeColor, sizeToString, vhCheck } from "../../utils";
 import Uploader from "../Uploader/Uploader.js";
 import pathHelper from "../../utils/page";
 import SezrchBar from "./SearchBar";
@@ -69,7 +64,7 @@ import {
     showImgPreivew,
     toggleSnackbar,
 } from "../../redux/explorer";
-import { startBatchDownload } from "../../redux/explorer/action";
+import { startBatchDownload, startDownload } from "../../redux/explorer/action";
 
 vhCheck();
 const drawerWidth = 240;
@@ -143,8 +138,8 @@ const mapDispatchToProps = (dispatch) => {
         setSessionStatus: () => {
             dispatch(setSessionStatus());
         },
-        openPreview: () => {
-            dispatch(openPreview());
+        openPreview: (share) => {
+            dispatch(openPreview(share));
         },
         audioPreviewOpen: () => {
             dispatch(audioPreviewSetIsOpen(true));
@@ -152,6 +147,9 @@ const mapDispatchToProps = (dispatch) => {
         startBatchDownload: (share) => {
             dispatch(startBatchDownload(share));
         },
+        startDownload: (share, file) => {
+            dispatch(startDownload(share, file));
+        },
     };
 };
 
@@ -335,20 +333,11 @@ class NavbarCompoment extends Component {
     };
 
     openDownload = () => {
-        if (!allowSharePreview()) {
-            this.props.toggleSnackbar(
-                "top",
-                "right",
-                "未登录用户无法预览",
-                "warning"
-            );
-            return;
-        }
-        this.props.openLoadingDialog("获取下载地址...");
+        this.props.startDownload(window.shareInfo, this.props.selected[0]);
     };
 
     archiveDownload = () => {
-        this.props.startBatchDownload(this.props.share);
+        this.props.startBatchDownload(window.shareInfo);
     };
 
     signOut = () => {
@@ -642,7 +631,9 @@ class NavbarCompoment extends Component {
                                                     <IconButton
                                                         color="inherit"
                                                         onClick={() =>
-                                                            this.props.openPreview()
+                                                            this.props.openPreview(
+                                                                window.shareInfo
+                                                            )
                                                         }
                                                     >
                                                         <OpenIcon />
diff --git a/src/component/Share/SharedFile.js b/src/component/Share/SharedFile.js
index 7de75b4..760dbb6 100644
--- a/src/component/Share/SharedFile.js
+++ b/src/component/Share/SharedFile.js
@@ -6,11 +6,18 @@ import { Button, Typography, withStyles } from "@material-ui/core";
 import Divider from "@material-ui/core/Divider";
 import TypeIcon from "../FileManager/TypeIcon";
 import Auth from "../../middleware/Auth";
-import API from "../../middleware/Api";
 import { withRouter } from "react-router-dom";
 import Creator from "./Creator";
 import pathHelper from "../../utils/page";
-import { openMusicDialog, openResaveDialog, setSelectedTarget, showImgPreivew, toggleSnackbar } from "../../redux/explorer";
+import {
+    openMusicDialog,
+    openResaveDialog,
+    setSelectedTarget,
+    showImgPreivew,
+    toggleSnackbar,
+} from "../../redux/explorer";
+import { startDownload } from "../../redux/explorer/action";
+import { trySharePurchase } from "../../redux/explorer/async";
 
 
 vhCheck();
@@ -111,6 +118,10 @@ const mapDispatchToProps = (dispatch) => {
         openResave: (key) => {
             dispatch(openResaveDialog(key));
         },
+        startDownload: (share, file) => {
+            dispatch(startDownload(share, file));
+        },
+        trySharePurchase: (share) => dispatch(trySharePurchase(share)),
     };
 };
 
@@ -204,6 +215,10 @@ class SharedFileCompoment extends Component {
         }
     };
 
+    scoreHandler = (callback) => (event) => {
+        this.props.trySharePurchase(this.props.share).then(() => callback());
+    };
+
     componentWillUnmount() {
         this.props.setSelectedTarget([]);
     }
@@ -213,23 +228,7 @@ class SharedFileCompoment extends Component {
     };
 
     download = () => {
-        this.setState({ loading: true });
-        API.put("/share/download/" + this.props.share.key)
-            .then((response) => {
-                this.downloaded = true;
-                window.location.assign(response.data);
-            })
-            .catch((error) => {
-                this.props.toggleSnackbar(
-                    "top",
-                    "right",
-                    error.message,
-                    "warning"
-                );
-            })
-            .then(() => {
-                this.setState({ loading: false });
-            });
+        this.props.startDownload(this.props.share, null);
     };
 
     render() {
@@ -263,7 +262,7 @@ class SharedFileCompoment extends Component {
                                 <Button
                                     variant="outlined"
                                     color="secondary"
-                                    onClick={this.scoreHandle(this.preview)}
+                                    onClick={this.scoreHandler(this.preview)}
                                     disabled={this.state.loading}
                                 >
                                     预览
@@ -275,7 +274,7 @@ class SharedFileCompoment extends Component {
                                 variant="contained"
                                 color="secondary"
                                 className={classes.downloadButton}
-                                onClick={this.scoreHandle(this.download)}
+                                onClick={this.download}
                                 disabled={this.state.loading}
                             >
                                 下载
diff --git a/src/redux/explorer/action.ts b/src/redux/explorer/action.ts
index 62f3ee4..912acdf 100644
--- a/src/redux/explorer/action.ts
+++ b/src/redux/explorer/action.ts
@@ -22,6 +22,7 @@ import {
     showImgPreivew,
     toggleSnackbar,
 } from "./index";
+import { getDownloadURL } from "../../services/file";
 
 export interface ActionSetFileList extends AnyAction {
     type: "SET_FILE_LIST";
@@ -241,6 +242,40 @@ export const serverSideBatchDownload = (
     };
 };
 
+export const startDownload = (
+    share: any,
+    file: CloudreveFile
+): ThunkAction<any, any, any, any> => {
+    return async (dispatch, getState): Promise<void> => {
+        const {
+            router: {
+                location: { pathname },
+            },
+        } = getState();
+        const user = Auth.GetUser();
+        if (
+            pathHelper.isSharePage(pathname) &&
+            !Auth.Check() &&
+            user &&
+            !user.group.shareDownload
+        ) {
+            dispatch(toggleSnackbar("top", "right", "请先登录", "warning"));
+            return;
+        }
+
+        dispatch(changeContextMenu("file", false));
+        dispatch(openLoadingDialog("获取下载地址..."));
+        try {
+            const res = await getDownloadURL(file ? file : share);
+            window.location.assign(res.data);
+            dispatch(closeAllModals());
+        } catch (e) {
+            toggleSnackbar("top", "right", e.message, "warning");
+            dispatch(closeAllModals());
+        }
+    };
+};
+
 export const startBatchDownload = (
     share: any
 ): ThunkAction<any, any, any, any> => {
@@ -397,7 +432,7 @@ export const openViewer = (
     };
 };
 
-export const openPreview = () => {
+export const openPreview = (share: any) => {
     return (dispatch: any, getState: any) => {
         const {
             explorer: { selected },
@@ -439,7 +474,7 @@ export const openPreview = () => {
                 dispatch(openViewer("code", selected[0], isShare));
                 return;
             default:
-                dispatch(openLoadingDialog("获取下载地址..."));
+                dispatch(startDownload(share, selected[0]));
                 return;
         }
     };