diff --git a/README.md b/README.md
index d4faa953..cc0150cf 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@
 <dependency>
     <groupId>cn.jpush.api</groupId>
     <artifactId>jpush-client</artifactId>
-    <version>3.3.1</version>
+    <version>3.3.2</version>
 </dependency>
 ```
 ### jar 包方式
diff --git a/pom.xml b/pom.xml
index fbb5d093..119e2537 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,7 @@
 
 	<groupId>cn.jpush.api</groupId>
 	<artifactId>jpush-client</artifactId>
-	<version>3.3.1-SNAPSHOT</version>
+	<version>3.3.3-SNAPSHOT</version>
 	<packaging>jar</packaging>
 	<url>https://github.com/jpush/jpush-api-java-client</url>
 	<name>JPush API Java Client</name>
@@ -35,7 +35,7 @@
 		<url>https://github.com/jpush/jpush-api-java-client</url>
 		<connection>scm:git:git@github.com:jpush/jpush-api-java-client.git</connection>
 		<developerConnection>scm:git:git@github.com:jpush/jpush-api-java-client.git</developerConnection>
-		<tag>v3.3.1</tag>
+		<tag>v3.3.2</tag>
 	</scm>
 
 	<dependencies>
diff --git a/src/main/java/cn/jpush/api/push/model/Options.java b/src/main/java/cn/jpush/api/push/model/Options.java
index 2ed0dc44..a966829c 100644
--- a/src/main/java/cn/jpush/api/push/model/Options.java
+++ b/src/main/java/cn/jpush/api/push/model/Options.java
@@ -14,6 +14,7 @@ public class Options implements PushModel {
     private static final String TIME_TO_LIVE = "time_to_live";
     private static final String APNS_PRODUCTION = "apns_production";
     private static final String BIG_PUSH_DURATION = "big_push_duration";
+    private static final String APNS_COLLAPSE_ID = "apns_collapse_id";
     
     private static final long NONE_TIME_TO_LIVE = -1;
     
@@ -22,14 +23,16 @@ public class Options implements PushModel {
     private long timeToLive;
     private boolean apnsProduction;
     private int bigPushDuration;	// minutes
+    private String apnsCollapseId;
     
     private Options(int sendno, long overrideMsgId, long timeToLive, boolean apnsProduction, 
-    		int bigPushDuration) {
+    		int bigPushDuration, String apnsCollapseId) {
         this.sendno = sendno;
         this.overrideMsgId = overrideMsgId;
         this.timeToLive = timeToLive;
         this.apnsProduction = apnsProduction;
         this.bigPushDuration = bigPushDuration;
+        this.apnsCollapseId = apnsCollapseId;
     }
     
     public static Builder newBuilder() {
@@ -78,6 +81,10 @@ public JsonElement toJSON() {
         if (bigPushDuration > 0) {
         	json.add(BIG_PUSH_DURATION,  new JsonPrimitive(bigPushDuration));
         }
+
+        if (apnsCollapseId != null) {
+            json.add(APNS_COLLAPSE_ID, new JsonPrimitive(apnsCollapseId));
+        }
         
         return json;
     }
@@ -88,6 +95,7 @@ public static class Builder {
         private long timeToLive = NONE_TIME_TO_LIVE;
         private boolean apnsProduction = false;
         private int bigPushDuration = 0;
+        private String apnsCollapseId;
         
         public Builder setSendno(int sendno) {
             this.sendno = sendno;
@@ -108,12 +116,17 @@ public Builder setApnsProduction(boolean apnsProduction) {
             this.apnsProduction = apnsProduction;
             return this;
         }
+
+        public Builder setApnsCollapseId(String id) {
+            this.apnsCollapseId = id;
+            return this;
+        }
         
         public Builder setBigPushDuration(int bigPushDuration) {
         	this.bigPushDuration = bigPushDuration;
         	return this;
         }
-        
+
         public Options build() {
             Preconditions.checkArgument(sendno >= 0, "sendno should be greater than 0.");
             Preconditions.checkArgument(overrideMsgId >= 0, "override_msg_id should be greater than 0.");
@@ -123,7 +136,7 @@ public Options build() {
                 sendno = ServiceHelper.generateSendno();
             }
             
-            return new Options(sendno, overrideMsgId, timeToLive, apnsProduction, bigPushDuration);
+            return new Options(sendno, overrideMsgId, timeToLive, apnsProduction, bigPushDuration, apnsCollapseId);
         }
     }
 
diff --git a/src/test/java/cn/jpush/api/BaseTest.java b/src/test/java/cn/jpush/api/BaseTest.java
index 83c5719a..f52d1bd6 100644
--- a/src/test/java/cn/jpush/api/BaseTest.java
+++ b/src/test/java/cn/jpush/api/BaseTest.java
@@ -5,7 +5,7 @@
 public abstract class BaseTest {
 
 	protected static final String APP_KEY = "d4ee2375846bc30fa51334f5";
-    protected static final String MASTER_SECRET = "f88f9b289c3f681eef0b95ee";
+    protected static final String MASTER_SECRET = "1bdab6d2cb99727cf768cc9c";
     protected static final String GROUP_MASTER_SECRET = "b11314807507e2bcfdeebe2e";
     protected static final String GROUP_PUSH_KEY = "2c88a01e073a0fe4fc7b167c";
 
diff --git a/src/test/java/cn/jpush/api/report/ReportFunctionTests.java b/src/test/java/cn/jpush/api/report/ReportFunctionTests.java
index a1cb428c..dacf1a8e 100644
--- a/src/test/java/cn/jpush/api/report/ReportFunctionTests.java
+++ b/src/test/java/cn/jpush/api/report/ReportFunctionTests.java
@@ -31,7 +31,7 @@ public void getReceivedsFixed() throws Exception {
 	
     @Test
     public void getReceivedsFixed2() throws Exception {
-        ReceivedsResult result = jpushClient.getReportReceiveds("1613113584, 1229760629,  ");
+        ReceivedsResult result = jpushClient.getReportReceiveds("1613113584, 1229760629");
         assertTrue(result.isResultOK());
         assertTrue(result.received_list.size() > 0);
     }