diff --git a/src/test/java/com/profiler/common/util/HeaderUtilsTest.java b/src/test/java/com/profiler/common/util/HeaderUtilsTest.java
new file mode 100644
index 000000000..07c19efd3
--- /dev/null
+++ b/src/test/java/com/profiler/common/util/HeaderUtilsTest.java
@@ -0,0 +1,28 @@
+package com.profiler.common.util;
+
+import com.profiler.common.dto.Header;
+import com.profiler.common.util.HeaderUtils;
+import org.apache.thrift.TException;
+import org.junit.Assert;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class HeaderUtilsTest {
+
+    private final Logger logger = LoggerFactory.getLogger(this.getClass().getName());
+
+    @Test
+    public void validateSignature() throws TException {
+        Header header = new Header();
+        Assert.assertTrue(HeaderUtils.validateSignature(header.getSignature()));
+
+
+        Header error = new Header((byte) 0x11, (byte) 0x20, (short) 1);
+        Assert.assertTrue(!HeaderUtils.validateSignature(error.getSignature()));
+
+
+        logger.info(header.toString());
+    }
+
+}
diff --git a/src/test/java/com/profiler/common/util/SpanUtilsTest.java b/src/test/java/com/profiler/common/util/SpanUtilsTest.java
index a5955a501..e0f1ef1b8 100644
--- a/src/test/java/com/profiler/common/util/SpanUtilsTest.java
+++ b/src/test/java/com/profiler/common/util/SpanUtilsTest.java
@@ -9,6 +9,13 @@ import org.junit.Test;
  *
  */
 public class SpanUtilsTest {
+    @Test
+    public void testGetTraceIndexRowKeyWhiteSpace() throws Exception {
+        String agentId = "test test";
+        long time = System.currentTimeMillis();
+        check(agentId, time);
+    }
+
     @Test
     public void testGetTraceIndexRowKey1() throws Exception {
         String agentId = "test";
@@ -49,7 +56,7 @@ public class SpanUtilsTest {
 
         byte[] traceIndexRowKey = SpanUtils.getTraceIndexRowKey(span);
 
-        String agentId = Bytes.toString(traceIndexRowKey, 0, agentId0.length());
+        String agentId = Bytes.toString(traceIndexRowKey, 0, 24).trim();
         Assert.assertEquals(agentId0, agentId);
 
         long time = Bytes.toLong(traceIndexRowKey, SpanUtils.AGENT_NAME_LIMIT);