diff --git a/g/crypto/gaes/gaes_test.go b/g/crypto/gaes/gaes_test.go
new file mode 100644
index 000000000..43f2b04c1
--- /dev/null
+++ b/g/crypto/gaes/gaes_test.go
@@ -0,0 +1,62 @@
+// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+// go test *.go -bench=".*"
+
+package gaes_test
+
+import (
+	"testing"
+
+	"github.com/gogf/gf/g/crypto/gaes"
+	"github.com/gogf/gf/g/test/gtest"
+)
+
+var (
+	content = []byte("pibigstar")
+	// iv 长度必须等于blockSize，只能为16
+	iv     = []byte("Hello My GoFrame")
+	key_16 = []byte("1234567891234567")
+	key_24 = []byte("123456789123456789123456")
+	key_32 = []byte("12345678912345678912345678912345")
+)
+
+func TestEncrypt(t *testing.T) {
+	gtest.Case(t, func() {
+		_, err := gaes.Encrypt(content, key_16)
+		gtest.Assert(err, nil)
+		_, err = gaes.Encrypt(content, key_24)
+		gtest.Assert(err, nil)
+		_, err = gaes.Encrypt(content, key_32)
+		gtest.Assert(err, nil)
+		_, err = gaes.Encrypt(content, key_16, iv)
+		gtest.Assert(err, nil)
+	})
+}
+
+func TestDecrypt(t *testing.T) {
+	gtest.Case(t, func() {
+		encrypt, err := gaes.Encrypt(content, key_16)
+		decrypt, err := gaes.Decrypt(encrypt, key_16)
+		gtest.Assert(err, nil)
+		gtest.Assert(string(decrypt), string(content))
+
+		encrypt, err = gaes.Encrypt(content, key_24)
+		decrypt, err = gaes.Decrypt(encrypt, key_24)
+		gtest.Assert(err, nil)
+		gtest.Assert(string(decrypt), string(content))
+
+		encrypt, err = gaes.Encrypt(content, key_32)
+		decrypt, err = gaes.Decrypt(encrypt, key_32)
+		gtest.Assert(err, nil)
+		gtest.Assert(string(decrypt), string(content))
+
+		encrypt, err = gaes.Encrypt(content, key_32, iv)
+		decrypt, err = gaes.Decrypt(encrypt, key_32, iv)
+		gtest.Assert(err, nil)
+		gtest.Assert(string(decrypt), string(content))
+	})
+}
diff --git a/g/crypto/gcrc32/gcr32_test.go b/g/crypto/gcrc32/gcr32_test.go
new file mode 100644
index 000000000..73219d531
--- /dev/null
+++ b/g/crypto/gcrc32/gcr32_test.go
@@ -0,0 +1,25 @@
+// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+// go test *.go -bench=".*"
+
+package gcrc32_test
+
+import (
+	"testing"
+
+	"github.com/gogf/gf/g/crypto/gcrc32"
+	"github.com/gogf/gf/g/test/gtest"
+)
+
+func TestEncrypt(t *testing.T) {
+	gtest.Case(t, func() {
+		s := "pibigstar"
+		encrypt1 := gcrc32.EncryptString(s)
+		encrypt2 := gcrc32.EncryptBytes([]byte(s))
+		gtest.AssertEQ(encrypt1, encrypt2)
+	})
+}
diff --git a/g/crypto/gmd5/gmd5_test.go b/g/crypto/gmd5/gmd5_test.go
new file mode 100644
index 000000000..eaff5a2b1
--- /dev/null
+++ b/g/crypto/gmd5/gmd5_test.go
@@ -0,0 +1,50 @@
+// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+// go test *.go -bench=".*"
+
+package gmd5_test
+
+import (
+	"os"
+	"testing"
+
+	"github.com/gogf/gf/g/crypto/gmd5"
+	"github.com/gogf/gf/g/test/gtest"
+)
+
+var (
+	s = "pibigstar"
+	// 根据在线工具生成的md5值
+	result = "d175a1ff66aedde64344785f7f7a3df8"
+)
+
+func TestEncrypt(t *testing.T) {
+	gtest.Case(t, func() {
+		encryptString := gmd5.Encrypt(s)
+		gtest.Assert(encryptString, result)
+	})
+}
+
+func TestEncryptString(t *testing.T) {
+	gtest.Case(t, func() {
+		encryptString := gmd5.EncryptString(s)
+		gtest.Assert(encryptString, result)
+	})
+}
+
+func TestEncryptFile(t *testing.T) {
+	path := "test.text"
+	gtest.Case(t, func() {
+		file, err := os.Create(path)
+		gtest.Assert(err, nil)
+		defer file.Close()
+		file.Write([]byte("Hello Go Frame"))
+		encryptFile := gmd5.EncryptFile(path)
+		gtest.AssertNE(encryptFile, "")
+	})
+	os.Remove(path)
+}
diff --git a/g/crypto/gsha1/gsha1_test.go b/g/crypto/gsha1/gsha1_test.go
new file mode 100644
index 000000000..d53ae5265
--- /dev/null
+++ b/g/crypto/gsha1/gsha1_test.go
@@ -0,0 +1,55 @@
+// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+// go test *.go -bench=".*"
+
+package gsha1_test
+
+import (
+	"os"
+	"testing"
+
+	"github.com/gogf/gf/g/crypto/gsha1"
+	"github.com/gogf/gf/g/test/gtest"
+)
+
+type user struct {
+	name     string
+	password string
+	age      int
+}
+
+func TestEncrypt(t *testing.T) {
+	gtest.Case(t, func() {
+		user := &user{
+			name:     "派大星",
+			password: "123456",
+			age:      23,
+		}
+		encrypt := gsha1.Encrypt(user)
+		gtest.AssertNE(encrypt, "")
+	})
+}
+
+func TestEncryptString(t *testing.T) {
+	gtest.Case(t, func() {
+		s := gsha1.EncryptString("pibigstar")
+		gtest.AssertNE(s, "")
+	})
+}
+
+func TestEncryptFile(t *testing.T) {
+	path := "test.text"
+	gtest.Case(t, func() {
+		file, err := os.Create(path)
+		gtest.Assert(err, nil)
+		defer file.Close()
+		file.Write([]byte("Hello Go Frame"))
+		encryptFile := gsha1.EncryptFile(path)
+		gtest.AssertNE(encryptFile, "")
+	})
+	os.Remove(path)
+}