diff --git a/autotest/unitTest/android/run_AutoTest_android.sh b/autotest/unitTest/android/run_AutoTest_android.sh
index 1a6d4d64..8eb7e6e7 100644
--- a/autotest/unitTest/android/run_AutoTest_android.sh
+++ b/autotest/unitTest/android/run_AutoTest_android.sh
@@ -3,7 +3,13 @@
 AUTO_TEST_ANDROID_PATH=`pwd`
 AUTO_TEST_SRC_PATH="../../../"
 AUTO_TEST_RES_PATH="${AUTO_TEST_ANDROID_PATH}/report"
+if [ ! -d ${AUTO_TEST_RES_PATH} ]
+then
 mkdir -p ${AUTO_TEST_RES_PATH}
+else
+echo "Will delete those outdate xml in the report"
+rm -f ${AUTO_TEST_RES_PATH}/*.xml
+fi
 #Prepare android build enviroment
 echo please set the enviroment variable as:
 echo export ANDROID_HOME="path of android sdk"
diff --git a/autotest/unitTest/ios/run_AutoTest_ios.sh b/autotest/unitTest/ios/run_AutoTest_ios.sh
index bc25545d..59b48177 100644
--- a/autotest/unitTest/ios/run_AutoTest_ios.sh
+++ b/autotest/unitTest/ios/run_AutoTest_ios.sh
@@ -62,6 +62,7 @@ IOS_MAKE_PARAMS="OS=ios ARCH=${CODEC_TEST_IOS_ARCH}"
 ############make build
 find ./ -name *.o -exec rm -rf {} \;
 find ./ -name *.d -exec rm -rf {} \;
+rm -f *.so
 make clean
 make ${IOS_MAKE_PARAMS} test
 echo "Codec test will run on ${CODEC_TEST_IOS_PLATFORM} with ${CODEC_TEST_IOS_DEBUG_RELEASE}"
@@ -134,6 +135,9 @@ CODEC_TEST_IOS_REPORT_PATH="${AUTO_TEST_IOS_PATH}/report"
 if [ ! -d ${CODEC_TEST_IOS_REPORT_PATH} ]
 then
  mkdir -p ${CODEC_TEST_IOS_REPORT_PATH}
+else
+ echo "Will delete those outdate xml in the report"
+ rm -f ${CODEC_TEST_IOS_REPORT_PATH}/*.xml
 fi
 
 #start to run unittest,default run the xcode at arch armv7 with release
diff --git a/autotest/unitTest/run_ParseUTxml.sh b/autotest/unitTest/run_ParseUTxml.sh
index 041fd917..8142eb4a 100644
--- a/autotest/unitTest/run_ParseUTxml.sh
+++ b/autotest/unitTest/run_ParseUTxml.sh
@@ -22,7 +22,34 @@ parse_unittest() {
     msg="Total testcases: $tests, failed: $fails,time:$waste seconds, at$times,xml:$res"
     echo ${msg}
     UT_Failed_Num=$((${UT_Failed_Num}+${fails}))
-    fi
+cat >> mail.log << EOF
+<style>
+.fail {
+    background-color: yellow;
+}
+</style>
+<br>
+   <table  style="width:600px" cellspacing="0" border="1" width="100%">
+    <thead>
+    <tr>
+        <td>Total unit test cases</td>
+        <td>Failed</td>
+        <td>Time</td>
+        <td>Date</td>
+    </tr>
+    </thead>
+       <tbody>
+        <tr style="text-align:center; font-weight: bold;">
+            <td>${tests}</td>
+            <td><font class="fail">${fails}</font></td>
+            <td>${waste}</td>
+            <td>${times}</td>
+        </tr>
+    </tbody>
+    </table>
+<br>
+EOF
+   fi
 }
 
 xmlcount=`ls $REPORT | wc -l`
diff --git a/autotest/unitTest/run_unitTest.sh b/autotest/unitTest/run_unitTest.sh
index dc5ce265..91804f0b 100644
--- a/autotest/unitTest/run_unitTest.sh
+++ b/autotest/unitTest/run_unitTest.sh
@@ -19,7 +19,7 @@ ANDROID_SDK_PATH=${ANDROID_HOME}
 ANDROID_NDK_PATH=${ANDROID_NDK_HOME}
 if [ "#${ANDROID_SDK_PATH}" = "#" ]
 then
-echo Please set ANDROID_HOME with the path of Android SDK
+echo Please set ANDROID_HOME with the path of Android SDK 
 exit 1
 fi
 if [ "#${ANDROID_NDK_PATH}" = "#" ]
@@ -38,11 +38,13 @@ else
    echo Start to run the unittest on android devices
    ANDROID=1
    cd ./android
-   bash run_AutoTest_android.sh
-   cd ${AUTO_TEST_PATH}
+   bash run_AutoTest_android.sh >/dev/null 2>&1
    if [ $? -ne 0 ];then
    echo There is something wrong happened when runing unittest on android devices,please to check
+   else
+   echo Finish run the unittest on android devices sucessfully
    fi
+   cd ${AUTO_TEST_PATH}
 fi
 
 #To find whether have ios devices
@@ -54,15 +56,24 @@ else
   echo Start to run the unittest on ios devices
   IOS=1
   cd ./ios
-  bash run_AutoTest_ios.sh
-  cd ${AUTO_TEST_PATH}
+  bash run_AutoTest_ios.sh >/dev/null 2>&1
  if [ $? -ne 0 ];then
  echo There is something wrong happened when runing unittest on ios devices,please to check
- fi
+ else
+ echo Finish run the unittest on android devices sucessfully
+fi
+ cd ${AUTO_TEST_PATH}
 fi
 
 #To parse the unit test result file to find whether have failures
 if [ ${ANDROID} = "1" ];then
+echo "
+<style>
+.env {
+    background-color: #95B9C7;
+    font: 30px bold;
+}</style>">>mail.log
+echo "<br><font class="env">Run unit test on android devices</font>">>mail.log
 bash run_ParseUTxml.sh ./android/report
 ret=$?
 if [ ${ret} -eq 0 ];then
@@ -74,6 +85,7 @@ echo Unit test run failed
 fi
 fi
 if [ ${IOS} = "1" ];then
+echo "<br><font class="env">Run unit test on ios devices with armv7 & arm64</font>">>mail.log
 bash run_ParseUTxml.sh ./ios/report
 ret=$?
 if [ $ret -eq 0 ];then