diff --git a/go.mod b/go.mod
index 83a96db1..73f0c843 100644
--- a/go.mod
+++ b/go.mod
@@ -9,6 +9,7 @@ require (
 	github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f // indirect
 	github.com/casbin/casbin/v2 v2.23.4
 	github.com/casbin/xorm-adapter/v2 v2.2.0
+	github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/go-sql-driver/mysql v1.5.0
 	github.com/google/uuid v1.2.0
diff --git a/go.sum b/go.sum
index 78dddf96..782834a4 100644
--- a/go.sum
+++ b/go.sum
@@ -47,6 +47,8 @@ github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76/go.mod h1:vYwsqCOLxGii
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f h1:q/DpyjJjZs94bziQ7YkBmIlpqbVP7yw179rnzoNVX1M=
+github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f/go.mod h1:QGrK8vMWWHQYQ3QU9bw9Y9OPNfxccGzfb41qjvVeXtY=
 github.com/denisenkom/go-mssqldb v0.0.0-20200428022330-06a60b6afbbc/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
diff --git a/object/captcha.go b/object/captcha.go
new file mode 100644
index 00000000..dbc03e3b
--- /dev/null
+++ b/object/captcha.go
@@ -0,0 +1,26 @@
+package object
+
+import (
+	"bytes"
+
+	"github.com/dchest/captcha"
+)
+
+func GetCaptcha() (string, []byte) {
+	id := captcha.NewLen(5)
+
+	var buffer bytes.Buffer
+
+	err := captcha.WriteImage(&buffer, id, 200, 80)
+	if err != nil {
+		panic(err)
+	}
+
+	return id, buffer.Bytes()
+}
+
+func VerifyCaptcha(id string, digits string) bool {
+	res := captcha.VerifyString(id, digits)
+
+	return res
+}
diff --git a/object/check.go b/object/check.go
index bccbf392..293a0999 100644
--- a/object/check.go
+++ b/object/check.go
@@ -92,7 +92,3 @@ func CheckUserLogin(organization string, username string, password string) (*Use
 
 	return user, ""
 }
-
-func (user *User) GetId() string {
-	return fmt.Sprintf("%s/%s", user.Owner, user.Name)
-}
diff --git a/web/src/CropperDiv.js b/web/src/CropperDiv.js
index 468a66b4..3073237d 100644
--- a/web/src/CropperDiv.js
+++ b/web/src/CropperDiv.js
@@ -93,32 +93,28 @@ export const CropperDiv = (props) => {
                     [<Button block type="primary" onClick={handleOk}>{i18next.t("user:Set new profile picture")}</Button>]
                 }
             >
-                <Col>
-                    <Row>
-                        <Col style={{margin: "0px auto 40px auto", width: 1000, height: 300}}>
-                            <Row style={{width: "100%", marginBottom: "20px"}}>
-                                <input style={{display: "none"}} name="fileupload" type="file" onChange={onChange}/>
-                                <Button block onClick={selectFile}>{i18next.t("user:Select a photo...")}</Button>
-                            </Row>
-                            <Cropper
-                                style={{height: "100%"}}
-                                initialAspectRatio={1}
-                                preview=".img-preview"
-                                src={image}
-                                viewMode={1}
-                                guides={true}
-                                minCropBoxHeight={10}
-                                minCropBoxWidth={10}
-                                background={false}
-                                responsive={true}
-                                autoCropArea={1}
-                                checkOrientation={false}
-                                onInitialized={(instance) => {
-                                    setCropper(instance);
-                                }}
-                            />
-                        </Col>
+                <Col style={{margin: "0px auto 40px auto", width: 1000, height: 300}}>
+                    <Row style={{width: "100%", marginBottom: "20px"}}>
+                        <input style={{display: "none"}} name="fileupload" type="file" onChange={onChange}/>
+                        <Button block onClick={selectFile}>{i18next.t("user:Select a photo...")}</Button>
                     </Row>
+                    <Cropper
+                      style={{height: "100%"}}
+                      initialAspectRatio={1}
+                      preview=".img-preview"
+                      src={image}
+                      viewMode={1}
+                      guides={true}
+                      minCropBoxHeight={10}
+                      minCropBoxWidth={10}
+                      background={false}
+                      responsive={true}
+                      autoCropArea={1}
+                      checkOrientation={false}
+                      onInitialized={(instance) => {
+                          setCropper(instance);
+                      }}
+                    />
                 </Col>
             </Modal>
         </div>