diff --git a/mylibrary/build.gradle b/mylibrary/build.gradle
index 83b95b6..9e746e3 100644
--- a/mylibrary/build.gradle
+++ b/mylibrary/build.gradle
@@ -9,8 +9,8 @@ android {
     defaultConfig {
         minSdkVersion 16
         targetSdkVersion 30
-        versionCode 2
-        versionName "1.1"
+        versionCode 3
+        versionName "1.2"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         consumerProguardFiles "consumer-rules.pro"
diff --git a/mylibrary/src/main/java/com/zc/mylibrary/DownloadProgressDialogUtils.java b/mylibrary/src/main/java/com/zc/mylibrary/DownloadProgressDialogUtils.java
index 90aeb4c..8e0cd6f 100644
--- a/mylibrary/src/main/java/com/zc/mylibrary/DownloadProgressDialogUtils.java
+++ b/mylibrary/src/main/java/com/zc/mylibrary/DownloadProgressDialogUtils.java
@@ -43,7 +43,9 @@ public static void showCircleProgressDialog(int maxValue,Context mContext, Strin
     }
 
     public static void updateProgress(float value){
-        progressDialog.setProgress((int) value);
+        if(null != progressDialog){
+            progressDialog.setProgress((int) value);
+        }
     }
 
     public static void closeProgressDialog() {