diff --git a/g/crypto/gdes/gdes_test.go b/g/crypto/gdes/gdes_test.go
index 075e7d07b..c19153ed1 100644
--- a/g/crypto/gdes/gdes_test.go
+++ b/g/crypto/gdes/gdes_test.go
@@ -1,6 +1,7 @@
 package gdes_test
 
 import (
+	"github.com/gogf/gf/g/test/gtest"
 	"testing"
 	"bytes"
 	"encoding/hex"
@@ -8,8 +9,14 @@ import (
 	"github.com/gogf/gf/g/crypto/gdes"
 )
 
+var(
+	errKey = []byte("1111111111111234123456789")
+	errIv = []byte("12345678")
+	errPadding = 5
+)
+
 func TestDesECB(t *testing.T){
-	{
+	gtest.Case(t, func() {
 		key := []byte("11111111")
 		text := []byte("12345678")
 		padding := gdes.NOPADDING
@@ -17,7 +24,7 @@ func TestDesECB(t *testing.T){
 		if err != nil {
 			t.Errorf("%v", err)
 		}
-  
+
 		clearText, err := gdes.DesECBDecrypt(key, cipherText, padding)
 		if err != nil {
 			t.Errorf("%v", err)
@@ -28,12 +35,16 @@ func TestDesECB(t *testing.T){
 		}
 		fmt.Println("clearText:", hex.EncodeToString(clearText), "cipherText:", hex.EncodeToString(cipherText))
 
-	}
+		// err test
+		gdes.DesECBEncrypt(key, text, errPadding)
+		gdes.DesECBDecrypt(errKey, cipherText, padding)
+	})
 
-	{
+	gtest.Case(t, func() {
 		key := []byte("11111111")
 		text := []byte("12345678")
 		padding := gdes.PKCS5PADDING
+		errPadding := 5
 		cipherText, err := gdes.DesECBEncrypt(key, text, padding)
 		if err != nil {
 			t.Errorf("%v", err)
@@ -48,7 +59,11 @@ func TestDesECB(t *testing.T){
 			t.Errorf("text:%v, clearText:%v", hex.EncodeToString(text), hex.EncodeToString(clearText))
 		}
 		fmt.Println("clearText:", hex.EncodeToString(clearText), "cipherText:", hex.EncodeToString(cipherText))
-	}
+
+		// err test
+		gdes.DesECBEncrypt(key, text, errPadding)
+		gdes.DesECBDecrypt(errKey, cipherText, padding)
+	})
 }
 
 func Test3DesECB(t *testing.T){
@@ -70,13 +85,15 @@ func Test3DesECB(t *testing.T){
 			t.Errorf("text:%v, clearText:%v", hex.EncodeToString(text), hex.EncodeToString(clearText))
 		}
 		fmt.Println("key:", hex.EncodeToString(key),"clearText:", hex.EncodeToString(clearText), "cipherText:", hex.EncodeToString(cipherText))
-
+		// err test
+		gdes.DesECBEncrypt(key, text, errPadding)
 	}
 
-	{
+	gtest.Case(t, func() {
 		key := []byte("111111111111123412345678")
 		text := []byte("123456789")
 		padding := gdes.PKCS5PADDING
+		errPadding := 5
 		cipherText, err := gdes.TripleDesECBEncrypt(key, text, padding)
 		if err != nil {
 			t.Errorf("%v", err)
@@ -91,11 +108,16 @@ func Test3DesECB(t *testing.T){
 			t.Errorf("text:%v, clearText:%v", hex.EncodeToString(text), hex.EncodeToString(clearText))
 		}
 		fmt.Println("key:", hex.EncodeToString(key),"clearText:", hex.EncodeToString(clearText), "cipherText:", hex.EncodeToString(cipherText))
-	}
+		// err test
+		gdes.TripleDesECBEncrypt(errKey, text, padding)
+		gdes.TripleDesECBEncrypt(key, text, errPadding)
+
+		gdes.TripleDesECBDecrypt(errKey, text, padding)
+	})
 }
 
 func TestDesCBC(t *testing.T){
-	{
+	gtest.Case(t, func() {
 		key := []byte("11111111")
 		text := []byte("1234567812345678")
 		padding := gdes.NOPADDING
@@ -114,10 +136,12 @@ func TestDesCBC(t *testing.T){
 			t.Errorf("text:%v, clearText:%v", hex.EncodeToString(text), hex.EncodeToString(clearText))
 		}
 		fmt.Println("key:", hex.EncodeToString(key),"clearText:", hex.EncodeToString(clearText), "cipherText:", hex.EncodeToString(cipherText))
+		// err test
+		gdes.DesCBCEncrypt(errKey, text, iv,padding)
+		gdes.DesCBCEncrypt(errKey, text, iv,errPadding)
+	})
 
-	}
-
-	{
+	gtest.Case(t, func() {
 		key := []byte("11111111")
 		text := []byte("12345678")
 		padding := gdes.PKCS5PADDING
@@ -136,11 +160,15 @@ func TestDesCBC(t *testing.T){
 			t.Errorf("text:%v, clearText:%v", hex.EncodeToString(text), hex.EncodeToString(clearText))
 		}
 		fmt.Println("key:", hex.EncodeToString(key),"clearText:", hex.EncodeToString(clearText), "cipherText:", hex.EncodeToString(cipherText))
-	}
+
+		// err test
+		gdes.DesCBCEncrypt(key, text, errIv, padding)
+		gdes.DesCBCEncrypt(key, text, errIv, padding)
+	})
 }
 
 func Test3DesCBC(t *testing.T){
-	{
+	gtest.Case(t, func() {
 		key := []byte("1111111112345678")
 		text := []byte("1234567812345678")
 		padding := gdes.NOPADDING
@@ -160,9 +188,9 @@ func Test3DesCBC(t *testing.T){
 		}
 		fmt.Println("key:", hex.EncodeToString(key),"clearText:", hex.EncodeToString(clearText), "cipherText:", hex.EncodeToString(cipherText))
 
-	}
-
-	{
+		gdes.TripleDesCBCEncrypt(errKey, text, iv,padding)
+	})
+	gtest.Case(t, func() {
 		key := []byte("111111111234567812345678")
 		text := []byte("12345678")
 		padding := gdes.PKCS5PADDING
@@ -181,5 +209,6 @@ func Test3DesCBC(t *testing.T){
 			t.Errorf("text:%v, clearText:%v", hex.EncodeToString(text), hex.EncodeToString(clearText))
 		}
 		fmt.Println("key:", hex.EncodeToString(key),"clearText:", hex.EncodeToString(clearText), "cipherText:", hex.EncodeToString(cipherText))
-	}
+	})
+
 }
\ No newline at end of file
diff --git a/g/crypto/gmd5/gmd5_test.go b/g/crypto/gmd5/gmd5_test.go
index 7d40626f3..ebc43a498 100644
--- a/g/crypto/gmd5/gmd5_test.go
+++ b/g/crypto/gmd5/gmd5_test.go
@@ -57,6 +57,7 @@ func TestEncryptString(t *testing.T) {
 
 func TestEncryptFile(t *testing.T) {
 	path := "test.text"
+	errorPath := "err.txt"
 	gtest.Case(t, func() {
 		file, err := os.Create(path)
 		gtest.Assert(err, nil)
@@ -64,6 +65,10 @@ func TestEncryptFile(t *testing.T) {
 		file.Write([]byte("Hello Go Frame"))
 		encryptFile := gmd5.EncryptFile(path)
 		gtest.AssertNE(encryptFile, "")
+
+		errEncrypt := gmd5.EncryptFile(errorPath)
+		gtest.AssertEQ(errEncrypt, "")
 	})
+
 	defer os.Remove(path)
 }
diff --git a/g/crypto/gsha1/gsha1_test.go b/g/crypto/gsha1/gsha1_test.go
index bff462482..3593b09a9 100644
--- a/g/crypto/gsha1/gsha1_test.go
+++ b/g/crypto/gsha1/gsha1_test.go
@@ -47,6 +47,7 @@ func TestEncryptString(t *testing.T) {
 
 func TestEncryptFile(t *testing.T) {
 	path := "test.text"
+	errPath := "err.text"
 	gtest.Case(t, func() {
 		file, err := os.Create(path)
 		gtest.Assert(err, nil)
@@ -54,6 +55,8 @@ func TestEncryptFile(t *testing.T) {
 		file.Write([]byte("Hello Go Frame"))
 		encryptFile := gsha1.EncryptFile(path)
 		gtest.AssertNE(encryptFile, "")
+		errEncrypt := gsha1.EncryptFile(errPath)
+		gtest.AssertEQ(errEncrypt,"")
 	})
 	defer os.Remove(path)
 }