diff --git a/pages/API/get-file-system-manager/get-file-system-manager.test.js b/pages/API/get-file-system-manager/get-file-system-manager.test.js
index 03249b0f604c2098576d1f9922b2d5e7c5c555aa..1160298985dbcaafc9415db2aed48f4eacbb33f9 100644
--- a/pages/API/get-file-system-manager/get-file-system-manager.test.js
+++ b/pages/API/get-file-system-manager/get-file-system-manager.test.js
@@ -1308,7 +1308,8 @@ describe('ExtApi-FileManagerTest', () => {
     let bytesWritten = await getData("bytesWritten")
     let lastFailError = await getData("lastFailError")
     if(bytesWritten != 7){
-       console.log('writeTest',lastFailError.errCode,lastFailError.errMsg,bytesWritten)
+      let writeData = await getData("writeData")
+       console.log('writeTest',lastFailError.errCode,lastFailError.errMsg,bytesWritten,writeData)
     }
 
     expect(bytesWritten).toEqual(7)
diff --git a/pages/API/get-file-system-manager/get-file-system-manager.uvue b/pages/API/get-file-system-manager/get-file-system-manager.uvue
index 2ae9c050d799d9fd85c7e4e1a374af8055693df1..72bce6ddb2545c877febb6ca9b59aafd7f34aa2f 100644
--- a/pages/API/get-file-system-manager/get-file-system-manager.uvue
+++ b/pages/API/get-file-system-manager/get-file-system-manager.uvue
@@ -1092,13 +1092,14 @@
             }
             console.log("success", res)
             this.bytesWritten = res.bytesWritten
+            this.lastFailError=new UniError('uni-fileSystemManager', 0,'writeTest success:'+ JSON.stringify(res))
           },
           fail: (res : IUniError) => {
             if (this.logAble) {
               this.log += 'writeTest fail:' + JSON.stringify(res) + '\n\n'
             }
             console.log('fail', res)
-                        this.lastFailError=new UniError(res.errSubject, res.errCode, res.errMsg)
+                        this.lastFailError=new UniError(res.errSubject, res.errCode,'writeTest:'+ res.errMsg)
 
           },
           complete: (_) => {