diff --git a/types/dwt/Dynamsoft.d.ts b/types/dwt/Dynamsoft.d.ts
index 8ed3e24688..a203071a4c 100644
--- a/types/dwt/Dynamsoft.d.ts
+++ b/types/dwt/Dynamsoft.d.ts
@@ -11,7 +11,7 @@
 */
 
 interface DynamsoftStatic<TElement extends Node = HTMLElement> {
-	Lib: DynamsoftLib;
+    Lib: DynamsoftLib;
     WebTwainEnv: dwtEnv;
 }
 
@@ -50,7 +50,7 @@ interface dwtEnv {
     JSVersion: string;
     PluginVersion: string;
     ServerVersionInfo: string;
-	
+
     RemoveAllAuthorizations(): void;
     ShowDialog(_dialogWidth: number, _dialogHeight: number, _strDialogMessageWithHtmlFormat: string, _bChangeImage: boolean, bHideCloseButton: boolean): void;
     CloseDialog(): void;
@@ -107,6 +107,7 @@ interface DynamsoftLib {
     */
     hideMask(): void;
     showMask(): void;
+    getScript(url: string, bAsync: boolean, callback: () => void): void;
 }
 
 /**
@@ -3785,7 +3786,7 @@ interface WebTwain {
     /*ingored    
     SourceNameItems
     */
-    
+
     /**
      * Shows the GUI of Image Editor.
      * @method WebTwain#startScan
@@ -3812,14 +3813,14 @@ interface WebTwain {
      */
     UnregisterEvent(name: string, evt: object): boolean;
 
-	TagImages(aryImageIndices: number[], tagName: string): boolean;
-	
+    TagImages(aryImageIndices: number[], tagName: string): boolean;
+
     SetDefaultTag(tagName: string): boolean;
-	
+
     ClearImageTags(sImageIndex: number): boolean;
-	
+
     FilterImagesByTag(tagName: string): boolean;
-	
+
     /*ignored
     checkErrorString
     first
@@ -3832,5 +3833,5 @@ interface WebTwain {
 
     ...other internal ones
     */
-	Addon: DynamsoftWebTwainAddon;
+    Addon: DynamsoftWebTwainAddon;
 }
diff --git a/types/dwt/dbr.d.ts b/types/dwt/dbr.d.ts
index 387cbfcd19..001b7e33f0 100644
--- a/types/dwt/dbr.d.ts
+++ b/types/dwt/dbr.d.ts
@@ -10,27 +10,27 @@
 * Author: Dynamsoft Support Team
 */
 
+interface Region {
+    left: number;
+    top: number;
+    right: number;
+    bottom: number;
+    measuredByPercentage: number;
+}
+
 interface RunTimeSetting {
-    mAntiDamageLevel: number;
-    mBarcodeFormatIds: number;
-    mBarcodeInvertMode: number;
-    mBinarizationBlockSize: number;
-    mColourImageConvertMode: number;
-    mDeblurLevel: number;
-    mEnableFillBinaryVacancy: number;
-    mExpectedBarcodesCount: number;
-    mGrayEqualizationSensitivity: number;
-    mLocalizationAlgorithmPriority: string;
-    mMaxAlgorithmThreadCount: number;
-    mMaxBarcodesCount: number;
-    mMaxDimOfFullImageAsBarcodeZone: number;
-    mPDFRasterDPI: number;
-    mRegionPredetectionMode: number;
-    mReserved: string;
-    mScaleDownThreshold: number;
-    mTextFilterMode: number;
-    mTextureDetectionSensitivity: number;
-    mTimeout: number;
+    barcodeFormatIds: number;
+    binarizationModes: number[];
+    deblurLevel: number;
+    expectedBarcodesCount: number;
+    localizationModes: number[];
+    minBarcodeTextLength: number;
+    minResultConfidence: number;
+    region: Region;
+    resultCoordinateType: number;
+    scaleDownThreshold: number;
+    textResultOrderModes: number[];
+    timeout: number;
 }
 
 interface dbrEnv {
@@ -38,12 +38,14 @@ interface dbrEnv {
     logLevel: number;
     productKey: string;
     resourcesPath: string;
+    hideDWASInstallDialog: boolean;
+    disableAutoDownloadModule: boolean;
     onAutoConnectServiceSuccess(): void;
     onAutoConnectServiceError(status: any): void;
 }
 
 interface TaskQueue {
-	push(task: (bLoadingWhenPush: boolean) => void, context?: any, args?: []): void;
+    push(task: (bLoadingWhenPush: boolean) => void, context?: any, args?: []): void;
     unshift(task: (bLoadingWhenPush: boolean) => void, context?: any, args?: []): void;
     next(): void;
 }
@@ -111,12 +113,12 @@ declare namespace dynamsoft {
             DBR_RESERVEDINFO_NOT_MATCHED = -10040,
             DBR_DBRERR_AZTEC_LICENSE_INVALID = -10041
         }
-		
+
         enum EnumConflictMode {
             ECM_Ignore = 1,
             ECM_Overwrite = 2
         }
-		
+
         enum EnumImagePixelFormat {
             IPF_Binary = 0,
             IPF_BinaryInverted = 1,
@@ -127,21 +129,21 @@ declare namespace dynamsoft {
             IPF_RGB_888 = 6,
             IPF_ARGB_8888 = 7
         }
-		
+
         enum EnumResultType {
             EDT_CandidateText = 2,
             EDT_PartialText = 3,
             EDT_RawText = 1,
             EDT_StandardText = 0
         }
-		
+
         enum EnumTerminateStage {
             ETS_Localized = 1,
             ETS_Prelocalized = 0,
             ETS_Recognized = 2
         }
-	}
-	
+    }
+
     class BarcodeReader {
         /**
          * Constructs a new KPainter
@@ -153,8 +155,15 @@ declare namespace dynamsoft {
         static name: string;
         static length: number;
         static version: string;
-		
-        // appendTplStringToRuntimeSettings(b, d):
+
+        /** 
+         * Append a new template string to current runtime settings.
+         * @method BarcodeReader#decode
+         * @param {string} content	A JSON string that represents the content of the settings.
+         * @param {number} emSettingPriority	The parameter setting mode, which decides to inherit parameters from previous template setting or overwrite previous settings and replace by new template.
+         * @return {void}
+         */
+        appendTplStringToRuntimeSettings(content: string, emSettingPriority: number): void;
         /** 
          * Read barcode from the source image.
          * @method BarcodeReader#decode
@@ -203,7 +212,7 @@ declare namespace dynamsoft {
         resetRuntimeSettings(): void;
         updateRuntimeSettings(setting: RunTimeSetting): void;
     }
-	
+
     let TaskQueue: TaskQueue;
     let dbrEnv: dbrEnv;
     /**dbrMasterPage20170526 */