优化

app/build.gradle

@@ -139,6 +139,7 @@ dependencies {
     //coreLibraryDesugaring('com.android.tools:desugar_jdk_libs_nio:2.0.2')
     testImplementation('junit:junit:4.13.2')
     androidTestImplementation('androidx.test:runner:1.5.2')
+    androidTestImplementation('androidx.test.ext:junit:1.1.3')
     androidTestImplementation('androidx.test.espresso:espresso-core:3.5.1')
     //kotlin
     //noinspection GradleDependency,DifferentStdlibGradleVersion