diff --git a/os/gfile/gfile_z_example_cache_test.go b/os/gfile/gfile_z_example_cache_test.go
index a729dce461e..0c2a7dff073 100644
--- a/os/gfile/gfile_z_example_cache_test.go
+++ b/os/gfile/gfile_z_example_cache_test.go
@@ -16,7 +16,7 @@ import (
 func ExampleGetContentsWithCache() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_cache")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
diff --git a/os/gfile/gfile_z_example_contents_test.go b/os/gfile/gfile_z_example_contents_test.go
index 5d9ebb81e17..c8310a8a0aa 100644
--- a/os/gfile/gfile_z_example_contents_test.go
+++ b/os/gfile/gfile_z_example_contents_test.go
@@ -15,7 +15,7 @@ import (
 func ExampleGetContents() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -34,7 +34,7 @@ func ExampleGetContents() {
 func ExampleGetBytes() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -53,7 +53,7 @@ func ExampleGetBytes() {
 func ExamplePutContents() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -72,7 +72,7 @@ func ExamplePutContents() {
 func ExamplePutBytes() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -90,7 +90,7 @@ func ExamplePutBytes() {
 func ExamplePutContentsAppend() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -116,7 +116,7 @@ func ExamplePutContentsAppend() {
 func ExamplePutBytesAppend() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -141,7 +141,7 @@ func ExamplePutBytesAppend() {
 func ExampleGetNextCharOffsetByPath() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -160,7 +160,7 @@ func ExampleGetNextCharOffsetByPath() {
 func ExampleGetBytesTilCharByPath() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -178,7 +178,7 @@ func ExampleGetBytesTilCharByPath() {
 func ExampleGetBytesByTwoOffsetsByPath() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -196,7 +196,7 @@ func ExampleGetBytesByTwoOffsetsByPath() {
 func ExampleReadLines() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -219,7 +219,7 @@ func ExampleReadLines() {
 func ExampleReadLinesBytes() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_content")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
diff --git a/os/gfile/gfile_z_example_copy_test.go b/os/gfile/gfile_z_example_copy_test.go
index 6136990cd1b..9276029c67f 100644
--- a/os/gfile/gfile_z_example_copy_test.go
+++ b/os/gfile/gfile_z_example_copy_test.go
@@ -15,12 +15,12 @@ import (
 func ExampleCopy() {
 	// init
 	var (
-		srcFileName = "gflie_example.txt"
+		srcFileName = "gfile_example.txt"
 		srcTempDir  = gfile.Temp("gfile_example_copy_src")
 		srcTempFile = gfile.Join(srcTempDir, srcFileName)
 
 		// copy file
-		dstFileName = "gflie_example_copy.txt"
+		dstFileName = "gfile_example_copy.txt"
 		dstTempFile = gfile.Join(srcTempDir, dstFileName)
 
 		// copy dir
@@ -47,6 +47,6 @@ func ExampleCopy() {
 
 	// Output:
 	// goframe example copy
-	// gflie_example.txt
-	// gflie_example_copy.txt
+	// gfile_example.txt
+	// gfile_example_copy.txt
 }
diff --git a/os/gfile/gfile_z_example_replace_test.go b/os/gfile/gfile_z_example_replace_test.go
index 0f9e654fa1d..2c1a13d9a5f 100644
--- a/os/gfile/gfile_z_example_replace_test.go
+++ b/os/gfile/gfile_z_example_replace_test.go
@@ -16,7 +16,7 @@ import (
 func ExampleReplaceFile() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_replace")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -40,7 +40,7 @@ func ExampleReplaceFile() {
 func ExampleReplaceFileFunc() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_replace")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -68,7 +68,7 @@ func ExampleReplaceFileFunc() {
 func ExampleReplaceDir() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_replace")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -80,7 +80,7 @@ func ExampleReplaceDir() {
 	fmt.Println(gfile.GetContents(tempFile))
 
 	// It replaces content of all files under specified directory recursively.
-	gfile.ReplaceDir("content", "replace word", tempDir, "gflie_example.txt", true)
+	gfile.ReplaceDir("content", "replace word", tempDir, "gfile_example.txt", true)
 
 	// read contents
 	fmt.Println(gfile.GetContents(tempFile))
@@ -93,7 +93,7 @@ func ExampleReplaceDir() {
 func ExampleReplaceDirFunc() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_replace")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -109,7 +109,7 @@ func ExampleReplaceDirFunc() {
 		// Replace with regular match
 		reg, _ := regexp.Compile(`\d{3}`)
 		return reg.ReplaceAllString(content, "[num]")
-	}, tempDir, "gflie_example.txt", true)
+	}, tempDir, "gfile_example.txt", true)
 
 	fmt.Println(gfile.GetContents(tempFile))
 
diff --git a/os/gfile/gfile_z_example_scan_test.go b/os/gfile/gfile_z_example_scan_test.go
index 386f3c08028..063f6a5194d 100644
--- a/os/gfile/gfile_z_example_scan_test.go
+++ b/os/gfile/gfile_z_example_scan_test.go
@@ -15,7 +15,7 @@ import (
 func ExampleScanDir() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_scan_dir")
 		tempFile = gfile.Join(tempDir, fileName)
 
@@ -34,15 +34,15 @@ func ExampleScanDir() {
 	}
 
 	// Output:
-	// gflie_example.txt
+	// gfile_example.txt
 	// sub_dir
-	// gflie_example.txt
+	// gfile_example.txt
 }
 
 func ExampleScanDirFile() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_scan_dir_file")
 		tempFile = gfile.Join(tempDir, fileName)
 
@@ -61,14 +61,14 @@ func ExampleScanDirFile() {
 	}
 
 	// Output:
-	// gflie_example.txt
-	// gflie_example.txt
+	// gfile_example.txt
+	// gfile_example.txt
 }
 
 func ExampleScanDirFunc() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_scan_dir_func")
 		tempFile = gfile.Join(tempDir, fileName)
 
@@ -83,7 +83,7 @@ func ExampleScanDirFunc() {
 	// scans directory recursively
 	list, _ := gfile.ScanDirFunc(tempDir, "*", true, func(path string) string {
 		// ignores some files
-		if gfile.Basename(path) == "gflie_example.txt" {
+		if gfile.Basename(path) == "gfile_example.txt" {
 			return ""
 		}
 		return path
@@ -99,11 +99,11 @@ func ExampleScanDirFunc() {
 func ExampleScanDirFileFunc() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_scan_dir_file_func")
 		tempFile = gfile.Join(tempDir, fileName)
 
-		fileName1 = "gflie_example_ignores.txt"
+		fileName1 = "gfile_example_ignores.txt"
 		tempFile1 = gfile.Join(tempDir, fileName1)
 
 		tempSubDir  = gfile.Join(tempDir, "sub_dir")
@@ -118,7 +118,7 @@ func ExampleScanDirFileFunc() {
 	// scans directory recursively exclusive of directories
 	list, _ := gfile.ScanDirFileFunc(tempDir, "*.txt", true, func(path string) string {
 		// ignores some files
-		if gfile.Basename(path) == "gflie_example_ignores.txt" {
+		if gfile.Basename(path) == "gfile_example_ignores.txt" {
 			return ""
 		}
 		return path
@@ -128,6 +128,6 @@ func ExampleScanDirFileFunc() {
 	}
 
 	// Output:
-	// gflie_example.txt
-	// gflie_example.txt
+	// gfile_example.txt
+	// gfile_example.txt
 }
diff --git a/os/gfile/gfile_z_example_search_test.go b/os/gfile/gfile_z_example_search_test.go
index 8a93bc6d048..c24138bf87d 100644
--- a/os/gfile/gfile_z_example_search_test.go
+++ b/os/gfile/gfile_z_example_search_test.go
@@ -15,7 +15,7 @@ import (
 func ExampleSearch() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_search")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -28,5 +28,5 @@ func ExampleSearch() {
 	fmt.Println(gfile.Basename(realPath))
 
 	// Output:
-	// gflie_example.txt
+	// gfile_example.txt
 }
diff --git a/os/gfile/gfile_z_example_size_test.go b/os/gfile/gfile_z_example_size_test.go
index 6ddcd29adf5..6e7d14cab6f 100644
--- a/os/gfile/gfile_z_example_size_test.go
+++ b/os/gfile/gfile_z_example_size_test.go
@@ -15,7 +15,7 @@ import (
 func ExampleSize() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_size")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -31,7 +31,7 @@ func ExampleSize() {
 func ExampleSizeFormat() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_size")
 		tempFile = gfile.Join(tempDir, fileName)
 	)
@@ -47,7 +47,7 @@ func ExampleSizeFormat() {
 func ExampleReadableSize() {
 	// init
 	var (
-		fileName = "gflie_example.txt"
+		fileName = "gfile_example.txt"
 		tempDir  = gfile.Temp("gfile_example_size")
 		tempFile = gfile.Join(tempDir, fileName)
 	)