diff --git a/README.md b/README.md
index 7f966db..2f3988b 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Add the following lines to your project's pom.xml:
     <dependency>
       <groupId>com.sensorsdata.analytics.javasdk</groupId>
       <artifactId>SensorsAnalyticsSDK</artifactId>
-      <version>1.3.6</version>
+      <version>1.3.7</version>
     </dependency>
   </dependencies>
 ```
diff --git a/SensorsAnalyticsSDK/pom.xml b/SensorsAnalyticsSDK/pom.xml
index 7025d20..d7890a4 100644
--- a/SensorsAnalyticsSDK/pom.xml
+++ b/SensorsAnalyticsSDK/pom.xml
@@ -15,7 +15,7 @@
     <groupId>com.sensorsdata.analytics.javasdk</groupId>
     <name>SensorsAnalyticsSDK</name>
     <artifactId>SensorsAnalyticsSDK</artifactId>
-    <version>1.3.6</version>
+    <version>1.3.7</version>
     <description>The official Java SDK of Sensors Analytics</description>
     <url>http://sensorsdata.cn</url>
 
diff --git a/SensorsAnalyticsSDK/src/main/java/com/sensorsdata/analytics/javasdk/SensorsDataAPI.java b/SensorsAnalyticsSDK/src/main/java/com/sensorsdata/analytics/javasdk/SensorsDataAPI.java
index e73f712..9f1e53b 100644
--- a/SensorsAnalyticsSDK/src/main/java/com/sensorsdata/analytics/javasdk/SensorsDataAPI.java
+++ b/SensorsAnalyticsSDK/src/main/java/com/sensorsdata/analytics/javasdk/SensorsDataAPI.java
@@ -54,7 +54,7 @@ public class SensorsDataAPI {
   private final static Logger log = LoggerFactory.getLogger(SensorsDataAPI.class);
 
   private final static int EXECUTE_THREAD_NUMBER = 10;
-  private final static String SDK_VERSION = "1.3.6";
+  private final static String SDK_VERSION = "1.3.7";
 
   private final static Pattern KEY_PATTERN = Pattern.compile(
       "^((?!^distinct_id$|^original_id$|^time$|^properties$|^id$|^first_id$|^second_id$|^users$|^events$|^event$|^user_id$|^date$|^datetime$)[a-zA-Z_$][a-zA-Z\\d_$]{0,99})$",
@@ -134,7 +134,7 @@ public static SensorsDataAPI sharedInstance() {
   /**
    * 初始化 Sensors Analytics SDK，并返回 SensorsDataAPI 的单例
    *
-   * 默认刷新周期为1秒或缓存1000条数据。更多说明请参考
+   * 默认刷新周期为1秒或缓存100条数据。更多说明请参考
    * {@link #sharedInstanceWithConfigure(String, int, int,
    * com.sensorsdata.analytics.javasdk.SensorsDataAPI.DebugMode)}
    *
@@ -146,7 +146,7 @@ public static SensorsDataAPI sharedInstance() {
    */
   public static SensorsDataAPI sharedInstanceWithServerURL(final String serverUrl, final
   DebugMode debugMode) {
-    return sharedInstanceWithConfigure(serverUrl, 1000, 1000, debugMode);
+    return sharedInstanceWithConfigure(serverUrl, 1000, 100, debugMode);
   }
 
   /**
@@ -704,7 +704,17 @@ public SubmitTask(final List<Map<String, Object>> data) {
 
     @Override public Boolean call() throws FlushErrorException, ConnectErrorException {
       try {
-        return sendData(this.data);
+        // 每次发送不超过 100 条数据到 Sensors Analytics
+        int sendingPos = 0;
+        while (sendingPos < this.data.size()) {
+          int sendingSize = Math.min(this.data.size(), 100);
+
+          if (!sendData(this.data.subList(sendingPos, sendingPos + sendingSize))) {
+            return false;
+          }
+
+          sendingPos += sendingSize;
+        }
       } catch (FlushErrorException e) {
         log.error(e.getMessage(), e);
         System.out.println("Sensors Analytics SDK ERROR: " + e.getMessage());
@@ -714,6 +724,7 @@ public SubmitTask(final List<Map<String, Object>> data) {
         System.out.println("Sensors Analytics SDK ERROR: " + e.getMessage());
         throw e;
       }
+      return true;
     }
 
     private Boolean sendData(final List<Map<String, Object>> data)
@@ -786,7 +797,7 @@ private char[] encodeTasks(String data) throws IOException {
       }
     }
 
-    private final List<Map<String, Object>> data;
+    private List<Map<String, Object>> data;
   }