fix

src/main/java/cn/com/qmth/importpaper/ImportPaperByCourse.java

@@ -151,7 +151,7 @@ public class ImportPaperByCourse {
 		fileList.add(new FormFilePart("dataFile", zfile.getName(), zfile));
 		Response resp = null;
 		try {
-			OKHttpUtil.initOkHttpClient();
+//			OKHttpUtil.initOkHttpClient();
 			resp = OKHttpUtil.call(HttpMethod.POST, url, headers, params, fileList);
 			if (resp.code() != 200) {
 				throw new Exception(zfile.getName() + ":body:" + resp.body().string());

src/main/java/cn/com/qmth/importpaper/OKHttpUtil.java

@@ -75,7 +75,7 @@ public class OKHttpUtil {
 
 	private static OkHttpClient okHttpClient;
 
-	public static void initOkHttpClient() {
+	static{
 		okHttpClient = new OkHttpClient.Builder().connectTimeout(10, TimeUnit.SECONDS)
 				.readTimeout(800, TimeUnit.SECONDS).writeTimeout(800, TimeUnit.SECONDS).hostnameVerifier(new HostnameVerifier() {