我已经在本地计算机上连接了Java REST（10.191.20.97:8080）我正在制作一个连接到Java服务器的android登录应用。从浏览器中，我与服务器成功建立了连接，但与android studio出现了问题：
I/System.out: port:8080
W/System.err: java.net.ConnectException: Failed to connect to /10.191.20.97:8080
W/System.err: at com.android.okhttp.internal.io.RealConnection.connectSocket(RealConnection.java:143)
at com.android.okhttp.internal.io.RealConnection.connect(RealConnection.java:112)
at com.android.okhttp.internal.http.StreamAllocation.findConnection(StreamAllocation.java:184)
at com.android.okhttp.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:126)
W/System.err: at com.android.okhttp.internal.http.StreamAllocation.newStream(StreamAllocation.java:95)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:299)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:237)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:461)
W/System.err: at com.android.okhttp.internal.huc.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:127)
W/System.err: at com.hpi.android.assetmanagement.ui.updateapk.MainCheckVersion$1GetDataJSON.doInBackground(MainCheckVersion.java:358)
W/System.err: at com.hpi.android.assetmanagement.ui.updateapk.MainCheckVersion$1GetDataJSON.doInBackground(MainCheckVersion.java:334)
W/System.err: at android.os.AsyncTask$2.call(AsyncTask.java:333)
W/System.err: at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
W/System.err: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)
E/Internet: => false
D/WindowClient: Add to mViews: DecorView@d78cc18[], this = android.view.WindowManagerGlobal@3577954
D/ViewRootImpl[MainCheckVersion]: hardware acceleration = true , fakeHwAccelerated = false, sRendererDisabled = false, forceHwAccelerated = false, sSystemRendererDisabled = false
I/zygote: Do full code cache collection, code=252KB, data=207KB
I/zygote: After code cache collection, code=252KB, data=176KB
D/Surface: Surface::connect(this=0x8f824000,api=1)
D/Surface: Surface::allocateBuffers(this=0x8f824000)
D/Surface: Surface::disconnect(this=0x8f823000,api=1)
D/Surface: Surface::connect(this=0x8f823000,api=1)
D/Surface: Surface::disconnect(this=0x8f823000,api=1)
D/View: [Warning] assignParent to null: this = DecorView@67cfdda[]
D/WindowClient: Remove from mViews: DecorView@67cfdda[], this = android.view.WindowManagerGlobal@3577954