diff --git a/index.md b/index.md
index 25bed49..01afe2a 100644
--- a/index.md
+++ b/index.md
@@ -26,5 +26,4 @@ To explore the latest features and updates of `Dynamsoft Capture Vision`, please
   * ![Python Icon]({{site.assets}}img-icon/homepage/Python.svg){:class="python"} [Python]({{ site.dcvb_python }}){:target="_blank"}
   * ![.NET Icon]({{site.assets}}img-icon/homepage/dotnet.svg){:class="dotnet"} [.NET]({{ site.dcvb_dotnet }}){:target="_blank"}
   * ![C++ Icon]({{site.assets}}img-icon/homepage/cplusplus.svg){:class="cplusplus"} [C++]({{ site.dcvb_cpp }}){:target="_blank"}
-  * ![NodeJS Icon]({{site.assets}}img-icon/homepage/nodejs.svg){:class="nodejs"} [Node JS](https://github.com/Dynamsoft/capture-vision-nodejs-samples/){:target="_blank"}
   * ![Java Icon]({{site.assets}}img-icon/homepage/java.svg){:class="java"} [Java]({{ site.dcvb_java }}){:target="_blank"}
diff --git a/parameters/reference/barcode-reader-task-settings/return-barcode-zone-clarity.md b/parameters/reference/barcode-reader-task-settings/return-barcode-zone-clarity.md
index 3dc5985..1bb33fd 100644
--- a/parameters/reference/barcode-reader-task-settings/return-barcode-zone-clarity.md
+++ b/parameters/reference/barcode-reader-task-settings/return-barcode-zone-clarity.md
@@ -7,7 +7,7 @@ keywords: Barcode zone clarity
 
 # ReturnBarcodeZoneClarity
 
-`ReturnBarcodeZoneClarity` defines whether to return the clarity of the barcode zone.
+`ReturnBarcodeZoneClarity` defines whether to return the clarity of the barcode zone. The SDK uses the gray gradient changes of adjacent pixels to measure the clarity of the code area. The result value range is 0~100, the larger the number, the clearer it is.
 
 ## JSON Structure
 
diff --git a/parameters/reference/image-parameter/binarization-modes.md b/parameters/reference/image-parameter/binarization-modes.md
index fbdb659..6856e4b 100644
--- a/parameters/reference/image-parameter/binarization-modes.md
+++ b/parameters/reference/image-parameter/binarization-modes.md
@@ -370,7 +370,6 @@ If an image has different lighting conditions in different areas, BM_LOCAL_BLOCK
 * BlockSizeY
 * EnableFillBinaryVacancy
 * ThresholdCompensation
-* BinarizationThreshold
 * GrayscaleEnhancementModesIndex
 * MorphOperation
 * MorphShape