diff --git a/src/main/java/cn/chain33/javasdk/utils/HttpUtil.java b/src/main/java/cn/chain33/javasdk/utils/HttpUtil.java
index 73f23ec..35a2428 100644
--- a/src/main/java/cn/chain33/javasdk/utils/HttpUtil.java
+++ b/src/main/java/cn/chain33/javasdk/utils/HttpUtil.java
@@ -25,15 +25,15 @@
 import org.apache.http.ssl.SSLContextBuilder;
 
 public class HttpUtil {
-	
+
 	private static CloseableHttpClient client = null;
-	
+
 	private static CloseableHttpClient httpsClient = null;
 
 	private static RequestConfig requestConfig = null;
-	
+
 	private static final String DEFAULT_CHARSET = "UTF-8";
-	
+
 	private static final int DEFAULT_TIME_OUT = 400000;
 	static{
 		client = HttpClientBuilder.create().build();
@@ -44,84 +44,80 @@ public class HttpUtil {
 		requestConfig = configBuilder.build();
 		httpsClient = createSSLInsecureClient();
 	}
-	
-    @SuppressWarnings("deprecation")
-	public static CloseableHttpClient createSSLInsecureClient() {  
-        try {  
-            SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {  
-                // 默认信任所有证书  
-                public boolean isTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {  
-                    return true;  
-                }  
-            }).build();  
-            // AllowAllHostnameVerifier: 这种方式不对主机名进行验证，验证功能被关闭，是个空操作(域名验证)  
-            SSLConnectionSocketFactory sslcsf = new SSLConnectionSocketFactory(sslContext,  
-                    SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);  
-            return HttpClients.custom().setSSLSocketFactory(sslcsf).build();  
-        } catch (KeyManagementException e) {  
-            e.printStackTrace();  
-        } catch (NoSuchAlgorithmException e) {  
-            e.printStackTrace();  
-        } catch (KeyStoreException e) {  
-            e.printStackTrace();  
-        }  
-        return HttpClients.createDefault();  
-    }  
-    
-	private static String getContent(HttpEntity entity,String charset){
-		String content = null;
-		if(entity != null){
-			try {
-				InputStream in = entity.getContent();
-				InputStreamReader inputStreamReader = new InputStreamReader(in,charset);
-				BufferedReader reader = new BufferedReader(inputStreamReader);
-				StringBuffer stringBuffer = new StringBuffer();
-				String line = null;
-				while((line = reader.readLine()) != null){
-					stringBuffer.append(line);
-					stringBuffer.append("\r\n");
+
+	@SuppressWarnings("deprecation")
+	public static CloseableHttpClient createSSLInsecureClient() {
+		try {
+			SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
+				// 默认信任所有证书
+				public boolean isTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
+					return true;
 				}
-				content = stringBuffer.toString();
-			} catch (Exception e) {
-				e.printStackTrace();
+			}).build();
+			// AllowAllHostnameVerifier: 这种方式不对主机名进行验证，验证功能被关闭，是个空操作(域名验证)
+			SSLConnectionSocketFactory sslcsf = new SSLConnectionSocketFactory(sslContext,
+					SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
+			return HttpClients.custom().setSSLSocketFactory(sslcsf).build();
+		} catch (KeyManagementException | NoSuchAlgorithmException | KeyStoreException e) {
+			e.printStackTrace();
+		}
+		return HttpClients.createDefault();
+	}
+
+	private static String getContent(HttpEntity entity, String charset) {
+		if (entity == null) {
+			throw new RuntimeException("请求失败");
+		}
+		try {
+			InputStream in = entity.getContent();
+			InputStreamReader inputStreamReader = new InputStreamReader(in, charset);
+			BufferedReader reader = new BufferedReader(inputStreamReader);
+			StringBuffer stringBuffer = new StringBuffer();
+			String line = null;
+			while ((line = reader.readLine()) != null) {
+				stringBuffer.append(line);
+				stringBuffer.append("\r\n");
 			}
+			return stringBuffer.toString();
+		} catch (Exception e) {
+			e.printStackTrace();
+			throw new RuntimeException(e);
 		}
-		return content;
 	}
-	
-	
+
+
 	public static String httpPostBody(String url, String jsonString) {
-		String content = null;
+		String content;
 		HttpPost post = new HttpPost(url);
 		try {
 			post.setConfig(requestConfig);
 			post.addHeader("Content-Type", "application/json");
-			post.setEntity(new StringEntity(jsonString,DEFAULT_CHARSET));
+			post.setEntity(new StringEntity(jsonString, DEFAULT_CHARSET));
 			HttpResponse response = client.execute(post);
 			HttpEntity entity = response.getEntity();
-			content = getContent(entity,DEFAULT_CHARSET);
+			content = getContent(entity, DEFAULT_CHARSET);
 			post.releaseConnection();
 		} catch (Exception e) {
 			e.printStackTrace();
-			return null;
+			throw new RuntimeException(e);
 		}
 		return content;
 	}
-	
+
 	public static String httpsPostBody(String url, String jsonString) {
 		String content = null;
 		HttpPost post = new HttpPost(url);
 		try {
 			post.setConfig(requestConfig);
 			post.addHeader("Content-Type", "application/json");
-			post.setEntity(new StringEntity(jsonString,DEFAULT_CHARSET));
+			post.setEntity(new StringEntity(jsonString, DEFAULT_CHARSET));
 			HttpResponse response = httpsClient.execute(post);
 			HttpEntity entity = response.getEntity();
-			content = getContent(entity,DEFAULT_CHARSET);
+			content = getContent(entity, DEFAULT_CHARSET);
 			post.releaseConnection();
 		} catch (Exception e) {
 			e.printStackTrace();
-			return null;
+			throw new RuntimeException(e);
 		}
 		return content;
 	}