求助：在用阿里云的Java SDK 遇到的问题

这里出现的问题 client = new DefaultAcsClient client = new DefaultAcsClient(profile); //初始化SDK客户端

java.lang.NoClassDefFoundError: Failed resolution of: Lorg/apache/http/conn/ssl/DefaultHostnameVerifier; at com.aliyuncs.http.clients.ApacheHttpClient.createSSLConnectionSocketFactory(ApacheHttpClient.java:118) at com.aliyuncs.http.clients.ApacheHttpClient.initConnectionManager(ApacheHttpClient.java:134) at com.aliyuncs.http.clients.ApacheHttpClient.init(ApacheHttpClient.java:184) at com.aliyuncs.http.HttpClientFactory.buildClient(HttpClientFactory.java:41) at com.aliyuncs.DefaultAcsClient. (DefaultAcsClient.java:89) at com.aliyuncs.DefaultAcsClient. (DefaultAcsClient.java:78) at com.example.smartmaskwithsdk.InitClient.start(InitClient.java:24) at com.example.smartmaskwithsdk.MainActivity.onCreate(MainActivity.java:18) at android.app.Activity.performCreate(Activity.java:7185) at android.app.Activity.performCreate(Activity.java:7176) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1297) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3168) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3335) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:90) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1972) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loop(Looper.java:220) at android.app.ActivityThread.main(ActivityThread.java:7424) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:500) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:865) Caused by: java.lang.ClassNotFoundException: Didn't find class "org.apache.http.conn.ssl.DefaultHostnameVerifier" on path: DexPathList[[zip file "/data/app/com.example.smartmaskwithsdk-tVexdBCdfZ_qLY-qtXHVmg==/base.apk"],nativeLibraryDirectories=[/data/app/com.example.smartmaskwithsdk-tVexdBCdfZ_qLY-qtXHVmg==/lib/arm64, /system/lib64, /system/vendor/lib64]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:134) at java.lang.ClassLoader.loadClass(ClassLoader.java:379)