update code And sdk

app/build.gradle

         applicationId "aicare.net.cn.sdk.iweightdemo"
         minSdkVersion 18
         targetSdkVersion 29
-        versionCode 19
-        versionName "1.5.1"
+        versionCode 20
+        versionName "1.5.2"
     }
     buildTypes {
         debug {
     implementation 'com.google.android.material:material:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     testImplementation 'junit:junit:4.12'
-    implementation 'com.github.elinkthings:BodyFatScaleSDKRepositoryAndroid:1.5.1'
+    implementation 'com.github.elinkthings:BodyFatScaleSDKRepositoryAndroid:1.5.2'
 
 }