diff --git a/modules/static_server.js b/modules/static_server.js
index eb0a071..fe3d36e 100644
--- a/modules/static_server.js
+++ b/modules/static_server.js
@@ -59,10 +59,13 @@ export default class StaticHttpServer {
   }
 
   getUrl(filePath, withHost = false) {
-    let virtualPath = filePath
-      .replace(this.config.root, '')
-      .replace(path.sep, '/');
-    virtualPath = virtualPath.startWith('/') ? virtualPath : `/${virtualPath}`;
+    let virtualPath = !filePath || filePath === null
+      ? ''
+      : filePath.replace(this.config.root, '').replace(path.sep, '/');
+    this.log('get static url:', filePath, virtualPath);
+    if (virtualPath === '') return virtualPath;
+
+    virtualPath = virtualPath.startsWith('/') ? virtualPath : `/${virtualPath}`;
     return `${
       withHost ? `http://${this.config.host}:${this.config.port}` : ''
     }${virtualPath}`;
@@ -126,9 +129,14 @@ Header: ${chalk.green(JSON.stringify(req.headers))}
         res.end(files.join(' '));
       }
     } catch (err) {
+      this.log('error', 'handler', err);
       res.statusCode = 404;
       res.setHeader('content-type', 'text/plain');
-      res.end(`${req.url} is not a file.`);
+      res.end(
+        process.env.NODE_ENV === 'development'
+          ? `request ${req.url} error, message: ${err.message}`
+          : `request ${req.url} fail.`
+      );
     }
   }
 
@@ -148,7 +156,7 @@ Header: ${chalk.green(JSON.stringify(req.headers))}
   }
 
   cache(req, res, fileStats) {
-    this.setCache(res);
+    this.setCache(res, fileStats);
 
     const lastModified = req.headers['if-modified-since'];
     const etag = req.headers['if-none-match'];
diff --git a/src/layout/AppMain/Single.tsx b/src/layout/AppMain/Single.tsx
index 1a6eec2..0455584 100644
--- a/src/layout/AppMain/Single.tsx
+++ b/src/layout/AppMain/Single.tsx
@@ -105,7 +105,7 @@ const Index = () => {
 
         setProcessing(false);
         if (current.status === TtsFileStatus.FAIL) {
-          message.error(current.error);
+          message.error(current.error?.message);
         }
       }
     );
diff --git a/src/utils/core.ts b/src/utils/core.ts
index 11f8658..c3e1f92 100644
--- a/src/utils/core.ts
+++ b/src/utils/core.ts
@@ -41,6 +41,9 @@ export const delDirPath = (_path) => {
   }
 };
 
+/**
+ * 声明静态服务器
+ */
 const staticServer = new StaticHttpServer({
   port: cacheStaticServerPort,
   root: fileCachePath
@@ -57,6 +60,8 @@ export const appReset = () => {
   staticServer.serve();
 };
 
+export const staticUrl = (filePath: string) => staticServer.getUrl(filePath, true);
+
 export const checkDirExist = (
   _path?: string,
   _tipIfNoExists?: string
@@ -372,7 +377,7 @@ export const ttsTasksRun = async (
           speed: appSetting.ttsSetting.speedRate,
           pitch: appSetting.ttsSetting.pitchRate
         });
-        // finfo.audioUrl = staticServer.get(req.ur);
+        finfo.audioUrl = staticUrl(finfo.taskId ?? '');
         setSuccess(finfo);
       }
     } catch (error) {