diff --git a/src/common/model/matter/Matter.ts b/src/common/model/matter/Matter.ts
index 1001e98..e4f760e 100644
--- a/src/common/model/matter/Matter.ts
+++ b/src/common/model/matter/Matter.ts
@@ -183,20 +183,22 @@ export default class Matter extends BaseEntity {
 
   //预览文件 在分享的预览中才主动传入previewUrl.
   preview(previewUrl?: string | null) {
-    let that = this;
-
     let shareMode = true;
     if (previewUrl) {
       shareMode = true;
     } else {
       shareMode = false;
-      previewUrl = that.getPreviewUrl();
+      previewUrl = this.getPreviewUrl();
     }
 
-    if (that.isImage()) {
+    if (this.isImage()) {
       ImagePreviewer.showSinglePhoto(previewUrl);
     } else {
-      PreviewerHelper.preview(this);
+      if(shareMode) {
+        PreviewerHelper.preview(this, previewUrl);
+      } else {
+        PreviewerHelper.preview(this);
+      }
     }
   }
 
@@ -562,7 +564,7 @@ export default class Matter extends BaseEntity {
   getSharePreviewUrl(
     shareUuid: string,
     shareCode: string,
-    shareRootUuid: String
+    shareRootUuid: string
   ): string {
     return `${EnvUtil.currentHost()}/api/alien/preview/${this.uuid}/${
       this.name
diff --git a/src/pages/share/widget/ShareMatterPanel.tsx b/src/pages/share/widget/ShareMatterPanel.tsx
index f1a3e4f..1d6daa5 100644
--- a/src/pages/share/widget/ShareMatterPanel.tsx
+++ b/src/pages/share/widget/ShareMatterPanel.tsx
@@ -34,7 +34,7 @@ export default class ShareMatterPanel extends TankComponent<IProps, IState> {
   }
 
   clickRow = () => {
-    const { matter, onGoToDirectory, onPreviewImage } = this.props;
+    const { matter, share, onGoToDirectory, onPreviewImage } = this.props;
 
     if (matter.dir) {
       onGoToDirectory(matter.uuid!);
@@ -43,7 +43,7 @@ export default class ShareMatterPanel extends TankComponent<IProps, IState> {
       if (matter.isImage()) {
         onPreviewImage(matter);
       } else {
-        matter.preview();
+        matter.preview(matter.getSharePreviewUrl(share.uuid!, share.code!, share.rootUuid));
       }
     }
   };
diff --git a/src/pages/widget/previewer/PreviewerHelper.ts b/src/pages/widget/previewer/PreviewerHelper.ts
index 21210d1..60aeb7a 100644
--- a/src/pages/widget/previewer/PreviewerHelper.ts
+++ b/src/pages/widget/previewer/PreviewerHelper.ts
@@ -35,8 +35,9 @@ export default class PreviewerHelper {
   /**
    * 对一个文件进行预览，自动选择预览引擎
    * @param matter 文件
+   * @param previewUrl 文件预览url，分享文件预览需从外部把previewUrl传入
    */
-  static preview(matter: Matter) {
+  static preview(matter: Matter, previewUrl?: string) {
     let fileName: string = matter.name;
     let extension: string = MimeUtil.getExtensionWithoutDot(fileName);
     if (!extension) {
@@ -74,19 +75,30 @@ export default class PreviewerHelper {
       let targetUrl = previewEngine.url;
 
       const engine: PreviewEngine = previewEngine;
-      const needToken: boolean =
-        matter.privacy && targetUrl.indexOf("{url}") !== -1;
-
-      PreviewerHelper.prepareMatterUrl(matter, needToken, function (url) {
-        targetUrl = targetUrl.replace("{originUrl}", matter.getPreviewUrl());
-        targetUrl = targetUrl.replace("{url}", encodeURIComponent(url));
 
+      if(previewUrl) {
+        targetUrl = targetUrl.replace("{originUrl}", previewUrl);
+        targetUrl = targetUrl.replace("{url}", previewUrl);
         if (engine.previewInSite) {
           BrowserPreviewer.show(fileName, targetUrl, matter.size);
         } else {
           window.open(targetUrl);
         }
-      });
+      } else {
+        const needToken = matter.privacy && targetUrl.indexOf("{url}") !== -1;
+
+        PreviewerHelper.prepareMatterUrl(matter, needToken, function (url) {
+          targetUrl = targetUrl.replace("{originUrl}", matter.getPreviewUrl());
+          targetUrl = targetUrl.replace("{url}", encodeURIComponent(url));
+
+          if (engine.previewInSite) {
+            BrowserPreviewer.show(fileName, targetUrl, matter.size);
+          } else {
+            window.open(targetUrl);
+          }
+        });
+      }
+
     }
   }
 }