diff --git a/Yep/Extensions/String+Trans.swift b/Yep/Extensions/String+Trans.swift
index e3dd141d1..833ec7c66 100644
--- a/Yep/Extensions/String+Trans.swift
+++ b/Yep/Extensions/String+Trans.swift
@@ -57,6 +57,13 @@ extension String {
     static var trans_promptTapNextAgreeTerms: String {
         return NSLocalizedString("prompt.tap_next_agree_terms", comment: "")
     }
+
+    static var trans_buttonCallMe: String {
+        return NSLocalizedString("button.call_me", comment: "")
+    }
+
+
+
 }
 
 extension String {
diff --git a/Yep/ViewControllers/Login/LoginVerifyMobileViewController.swift b/Yep/ViewControllers/Login/LoginVerifyMobileViewController.swift
index 9c79099f9..8cba0adc8 100644
--- a/Yep/ViewControllers/Login/LoginVerifyMobileViewController.swift
+++ b/Yep/ViewControllers/Login/LoginVerifyMobileViewController.swift
@@ -93,7 +93,7 @@ final class LoginVerifyMobileViewController: UIViewController {
             .addDisposableTo(disposeBag)
 
         callMePromptLabel.text = NSLocalizedString("Didn't get it?", comment: "")
-        callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+        callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
 
         verifyMobileNumberPromptLabelTopConstraint.constant = Ruler.iPhoneVertical(30, 50, 60, 60).value
         verifyCodeTextFieldTopConstraint.constant = Ruler.iPhoneVertical(30, 40, 50, 50).value
@@ -120,7 +120,7 @@ final class LoginVerifyMobileViewController: UIViewController {
     @objc private func tryCallMe(timer: NSTimer) {
         if !haveAppropriateInput {
             if callMeInSeconds > 1 {
-                let callMeInSecondsString = NSLocalizedString("Call me", comment: "") + " (\(callMeInSeconds))"
+                let callMeInSecondsString = String.trans_buttonCallMe + " (\(callMeInSeconds))"
 
                 UIView.performWithoutAnimation { [weak self] in
                     self?.callMeButton.setTitle(callMeInSecondsString, forState: .Normal)
@@ -129,7 +129,7 @@ final class LoginVerifyMobileViewController: UIViewController {
 
             } else {
                 UIView.performWithoutAnimation {  [weak self] in
-                    self?.callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+                    self?.callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
                     self?.callMeButton.layoutIfNeeded()
                 }
 
@@ -154,7 +154,7 @@ final class LoginVerifyMobileViewController: UIViewController {
 
         delay(10) {
             UIView.performWithoutAnimation { [weak self] in
-                self?.callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+                self?.callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
                 self?.callMeButton.layoutIfNeeded()
                 self?.callMeButton.enabled = true
             }
@@ -169,7 +169,7 @@ final class LoginVerifyMobileViewController: UIViewController {
 
                 SafeDispatch.async {
                     UIView.performWithoutAnimation { [weak self] in
-                        self?.callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+                        self?.callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
                         self?.callMeButton.layoutIfNeeded()
                         self?.callMeButton.enabled = true
                     }
diff --git a/Yep/ViewControllers/Register/RegisterVerifyMobileViewController.swift b/Yep/ViewControllers/Register/RegisterVerifyMobileViewController.swift
index 8b01708b4..1d51dfd22 100644
--- a/Yep/ViewControllers/Register/RegisterVerifyMobileViewController.swift
+++ b/Yep/ViewControllers/Register/RegisterVerifyMobileViewController.swift
@@ -89,7 +89,7 @@ final class RegisterVerifyMobileViewController: SegueViewController {
             .addDisposableTo(disposeBag)
 
         callMePromptLabel.text = NSLocalizedString("Didn't get it?", comment: "")
-        callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+        callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
 
         verifyMobileNumberPromptLabelTopConstraint.constant = Ruler.iPhoneVertical(30, 50, 60, 60).value
         verifyCodeTextFieldTopConstraint.constant = Ruler.iPhoneVertical(30, 40, 50, 50).value
@@ -118,7 +118,7 @@ final class RegisterVerifyMobileViewController: SegueViewController {
     @objc private func tryCallMe(timer: NSTimer) {
         if !haveAppropriateInput {
             if callMeInSeconds > 1 {
-                let callMeInSecondsString = NSLocalizedString("Call me", comment: "") + " (\(callMeInSeconds))"
+                let callMeInSecondsString = String.trans_buttonCallMe + " (\(callMeInSeconds))"
 
                 UIView.performWithoutAnimation { [weak self] in
                     self?.callMeButton.setTitle(callMeInSecondsString, forState: .Normal)
@@ -127,7 +127,7 @@ final class RegisterVerifyMobileViewController: SegueViewController {
 
             } else {
                 UIView.performWithoutAnimation { [weak self] in
-                    self?.callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+                    self?.callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
                     self?.callMeButton.layoutIfNeeded()
                 }
 
@@ -152,7 +152,7 @@ final class RegisterVerifyMobileViewController: SegueViewController {
 
         delay(10) {
             UIView.performWithoutAnimation { [weak self] in
-                self?.callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+                self?.callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
                 self?.callMeButton.layoutIfNeeded()
                 self?.callMeButton.enabled = true
             }
@@ -166,7 +166,7 @@ final class RegisterVerifyMobileViewController: SegueViewController {
                     YepAlert.alertSorry(message: errorMessage, inViewController: self)
 
                     UIView.performWithoutAnimation { [weak self] in
-                        self?.callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+                        self?.callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
                         self?.callMeButton.layoutIfNeeded()
                     }
                 }
diff --git a/Yep/ViewControllers/VerifyChangedMobile/VerifyChangedMobileViewController.swift b/Yep/ViewControllers/VerifyChangedMobile/VerifyChangedMobileViewController.swift
index f3f639a89..eb537ec8b 100644
--- a/Yep/ViewControllers/VerifyChangedMobile/VerifyChangedMobileViewController.swift
+++ b/Yep/ViewControllers/VerifyChangedMobile/VerifyChangedMobileViewController.swift
@@ -81,7 +81,7 @@ final class VerifyChangedMobileViewController: UIViewController {
             .addDisposableTo(disposeBag)
 
         callMePromptLabel.text = NSLocalizedString("Didn't get it?", comment: "")
-        callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+        callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
 
         verifyMobileNumberPromptLabelTopConstraint.constant = Ruler.iPhoneVertical(30, 50, 60, 60).value
         verifyCodeTextFieldTopConstraint.constant = Ruler.iPhoneVertical(30, 40, 50, 50).value
@@ -118,7 +118,7 @@ final class VerifyChangedMobileViewController: UIViewController {
     @objc private func tryCallMe(timer: NSTimer) {
         if !haveAppropriateInput {
             if callMeInSeconds > 1 {
-                let callMeInSecondsString = NSLocalizedString("Call me", comment: "") + " (\(callMeInSeconds))"
+                let callMeInSecondsString = String.trans_buttonCallMe + " (\(callMeInSeconds))"
 
                 UIView.performWithoutAnimation { [weak self] in
                     self?.callMeButton.setTitle(callMeInSecondsString, forState: .Normal)
@@ -127,7 +127,7 @@ final class VerifyChangedMobileViewController: UIViewController {
 
             } else {
                 UIView.performWithoutAnimation { [weak self] in
-                    self?.callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+                    self?.callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
                     self?.callMeButton.layoutIfNeeded()
                 }
 
@@ -152,7 +152,7 @@ final class VerifyChangedMobileViewController: UIViewController {
 
         delay(10) {
             UIView.performWithoutAnimation { [weak self] in
-                self?.callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+                self?.callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
                 self?.callMeButton.layoutIfNeeded()
                 self?.callMeButton.enabled = true
             }
@@ -167,7 +167,7 @@ final class VerifyChangedMobileViewController: UIViewController {
 
             SafeDispatch.async {
                 UIView.performWithoutAnimation { [weak self] in
-                    self?.callMeButton.setTitle(NSLocalizedString("Call me", comment: ""), forState: .Normal)
+                    self?.callMeButton.setTitle(String.trans_buttonCallMe, forState: .Normal)
                     self?.callMeButton.layoutIfNeeded()
                 }
             }
diff --git a/Yep/en.lproj/Localizable.strings b/Yep/en.lproj/Localizable.strings
index cc0d4d63c..df27cb7ac 100644
--- a/Yep/en.lproj/Localizable.strings
+++ b/Yep/en.lproj/Localizable.strings
@@ -21,7 +21,7 @@
 "title.blocked_users" = "Blocked Users";
 "subtitle.build_world_together" = "Build world together";
 "prompt.tap_next_agree_terms" = "By tapping Next you agree to our terms.";
-"Call me" = "Call me";
+"button.call_me" = "Call me";
 "Calling" = "Calling";
 "Camera" = "Camera";
 "Cancel recommended feed failed!" = "Cancel recommended feed failed!";
diff --git a/Yep/zh-Hans.lproj/Localizable.strings b/Yep/zh-Hans.lproj/Localizable.strings
index 9c035ca03..061679a43 100644
--- a/Yep/zh-Hans.lproj/Localizable.strings
+++ b/Yep/zh-Hans.lproj/Localizable.strings
@@ -21,7 +21,7 @@
 "title.blocked_users" = "被屏蔽的用户";
 "subtitle.build_world_together" = "共建世界";
 "prompt.tap_next_agree_terms" = "点击下一步表示您同意我们的条款。";
-"Call me" = "呼叫我";
+"button.call_me" = "呼叫我";
 "Calling" = "正在呼叫";
 "Camera" = "拍摄";
 "Cancel recommended feed failed!" = "取消推荐话题失败！";