diff --git a/plugin.xml b/plugin.xml
index e420918..973f299 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -40,7 +40,7 @@
     </config-file>
     <framework src="src/android/barcodescanner.gradle" custom="true" type="gradleReference"/>
     <framework src="com.android.support:support-v4:$ANDROID_SUPPORT_V4_VERSION"/>
-    <lib-file src="src/android/barcodescanner-release-2.1.6-vk.aar"/>
+    <lib-file src="src/android/barcodescanner-release.aar"/>
     <preference name="ANDROID_SUPPORT_V4_VERSION" default="27.+"/>
   </platform>
   <platform name="windows">
diff --git a/src/android/barcodescanner-release-2.1.6-vk.aar b/src/android/barcodescanner-release-2.1.6-vk.aar
deleted file mode 100644
index ae75261..0000000
Binary files a/src/android/barcodescanner-release-2.1.6-vk.aar and /dev/null differ
diff --git a/src/android/barcodescanner-release.aar b/src/android/barcodescanner-release.aar
new file mode 100644
index 0000000..2b1bc05
Binary files /dev/null and b/src/android/barcodescanner-release.aar differ
diff --git a/src/android/barcodescanner.gradle b/src/android/barcodescanner.gradle
index ce0be47..7978cbd 100644
--- a/src/android/barcodescanner.gradle
+++ b/src/android/barcodescanner.gradle
@@ -6,7 +6,7 @@ repositories{
 }
 
 dependencies {
-    compile(name:'barcodescanner-release-2.1.6-vk', ext:'aar')
+    compile(name:'barcodescanner-release', ext:'aar')
 }
 
 android {
diff --git a/src/ios/CDVBarcodeScanner.mm b/src/ios/CDVBarcodeScanner.mm
index cf1e3f1..12cfa2f 100644
--- a/src/ios/CDVBarcodeScanner.mm
+++ b/src/ios/CDVBarcodeScanner.mm
@@ -66,9 +66,10 @@
 @property (nonatomic)         BOOL                        isFlipped;
 @property (nonatomic)         BOOL                        isTransitionAnimated;
 @property (nonatomic)         BOOL                        isSuccessBeepEnabled;
+@property (nonatomic, retain) NSString* prompt;
 
 
-- (id)initWithPlugin:(CDVBarcodeScanner*)plugin callback:(NSString*)callback parentViewController:(UIViewController*)parentViewController alterateOverlayXib:(NSString *)alternateXib;
+- (id)initWithPlugin:(CDVBarcodeScanner*)plugin callback:(NSString*)callback parentViewController:(UIViewController*)parentViewController alterateOverlayXib:(NSString *)alternateXib prompt:(NSString *)prompt;
 - (void)scanBarcode;
 - (void)barcodeScanSucceeded:(NSString*)text format:(NSString*)format;
 - (void)barcodeScanFailed:(NSString*)message;
@@ -114,7 +115,6 @@
 - (IBAction)cancelButtonPressed:(id)sender;
 - (IBAction)flipCameraButtonPressed:(id)sender;
 - (IBAction)torchButtonPressed:(id)sender;
-
 @end
 
 //------------------------------------------------------------------------------
@@ -175,7 +175,15 @@
 
     // We allow the user to define an alternate xib file for loading the overlay.
     NSString *overlayXib = options[@"overlayXib"];
-
+    
+    NSString* prompt = options[@"showText"];
+    if(prompt == NULL){
+        prompt = options[@"prompt"];
+        if (prompt == NULL) {
+            prompt = @"扫描设备或者空间二维码";
+        }
+    }
+    
     capabilityError = [self isScanNotPossible];
     if (capabilityError) {
         [self returnError:capabilityError callback:callback];
@@ -195,6 +203,7 @@
                       callback:callback
           parentViewController:self.viewController
             alterateOverlayXib:overlayXib
+                 prompt:prompt
             ];
     // queue [processor scanBarcode] to run on the event loop
 
@@ -294,6 +303,7 @@
 @synthesize is2D                 = _is2D;
 @synthesize capturing            = _capturing;
 @synthesize results              = _results;
+@synthesize prompt              =  _prompt;
 
 SystemSoundID _soundFileObject;
 
@@ -301,7 +311,8 @@ SystemSoundID _soundFileObject;
 - (id)initWithPlugin:(CDVBarcodeScanner*)plugin
             callback:(NSString*)callback
 parentViewController:(UIViewController*)parentViewController
-  alterateOverlayXib:(NSString *)alternateXib {
+  alterateOverlayXib:(NSString *)alternateXib
+prompt:(NSString *)prompt {
     self = [super init];
     if (!self) return self;
 
@@ -309,6 +320,7 @@ parentViewController:(UIViewController*)parentViewController
     self.callback             = callback;
     self.parentViewController = parentViewController;
     self.alternateXib         = alternateXib;
+    self.prompt               = prompt;
 
     self.is1D      = YES;
     self.is2D      = YES;
@@ -1009,14 +1021,13 @@ parentViewController:(UIViewController*)parentViewController
     [self.reticleView.layer addSublayer:gl];
     //添加扫描提示
     UILabel *scanText = [[UILabel alloc] init];
-    float slw = 143;
     float slh = 18.5;
-    scanText.frame = CGRectMake((bounds.size.width-slw)/2,
+    scanText.frame = CGRectMake(0,
                                 (bounds.size.height-scanSize +kTopSafeAreaHeight)/2 + scanSize-20,
-                                slw,slh);
+                                bounds.size.width,slh);
     scanText.numberOfLines = 0;
     [overlayView addSubview:scanText];
-    NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:@"扫描设备或者空间二维码"attributes: @{NSFontAttributeName: [UIFont fontWithName:@"PingFangSC-Regular" size: 13],NSForegroundColorAttributeName: [UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:1.0]}];
+    NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:self.processor.prompt attributes: @{NSFontAttributeName: [UIFont fontWithName:@"PingFangSC-Regular" size: 13],NSForegroundColorAttributeName: [UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:1.0]}];
     scanText.attributedText = string;
     scanText.textAlignment = NSTextAlignmentCenter;
     scanText .alpha = 1.0;