diff --git a/test/unittest/utils/netstack_chr_client/NetStackChrClientTest.cpp b/test/unittest/utils/netstack_chr_client/NetStackChrClientTest.cpp
index 73f7a11180e0fe53b78334ca18d26b33dec5598f..5e0de533046b2d52d978a5ad2745c24d258aca1c 100644
--- a/test/unittest/utils/netstack_chr_client/NetStackChrClientTest.cpp
+++ b/test/unittest/utils/netstack_chr_client/NetStackChrClientTest.cpp
@@ -153,7 +153,7 @@ HWTEST_F(NetStackChrClientTest, NetStackChrClientTestPort, TestSize.Level2)
 {
     ChrClient::DataTransTcpInfo tcpInfo;
     int sockfd = socket(AF_INET, SOCK_STREAM, 0);
-    if (sockfd >0) {
+    if (sockfd > 0) {
         ChrClient::NetStackChrClient::GetInstance().GetTcpInfoFromSock(sockfd, tcpInfo);
         EXPECT_EQ(tcpInfo.unacked, 0);
         EXPECT_EQ(tcpInfo.srcPort, 0);
@@ -246,4 +246,33 @@ HWTEST_F(NetStackChrClientTest, NetStackChrClientTestTimeLimits, TestSize.Level2
     int second_ret = netstackChrReport.ReportCommonEvent(chrStats);
     EXPECT_EQ(second_ret, 1);
 }
+
+HWTEST_F(NetStackChrClientTest, NetStackChrClientTestHttpVersion, TestSize.Level2)
+{
+    std::string versionNone = ChrClient::NetStackChrClient::GetInstance().ConvertHttpVersion(CURL_HTTP_VERSION_NONE);
+    EXPECT_EQ(versionNone, "HTTP_NONE");
+
+    std::string version10 = ChrClient::NetStackChrClient::GetInstance().ConvertHttpVersion(CURL_HTTP_VERSION_1_0);
+    EXPECT_EQ(version10, "HTTP_1_0");
+
+    std::string version11 = ChrClient::NetStackChrClient::GetInstance().ConvertHttpVersion(CURL_HTTP_VERSION_1_1);
+    EXPECT_EQ(version11, "HTTP_1_1");
+
+    std::string version2 = ChrClient::NetStackChrClient::GetInstance().ConvertHttpVersion(CURL_HTTP_VERSION_2_0);
+    EXPECT_EQ(version2, "HTTP_2");
+    version2 = ChrClient::NetStackChrClient::GetInstance().ConvertHttpVersion(CURL_HTTP_VERSION_2TLS);
+    EXPECT_EQ(version2, "HTTP_2");
+    version2 = ChrClient::NetStackChrClient::GetInstance().ConvertHttpVersion(CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE);
+    EXPECT_EQ(version2, "HTTP_2");
+
+    std::string version3 = ChrClient::NetStackChrClient::GetInstance().ConvertHttpVersion(CURL_HTTP_VERSION_3);
+    EXPECT_EQ(version3, "HTTP_3");
+
+    std::string version3Only = ChrClient::NetStackChrClient::GetInstance().ConvertHttpVersion(CURL_HTTP_VERSION_3ONLY);
+    EXPECT_EQ(version3Only, "HTTP_3ONLY");
+
+    long errorHttpVersion = -1;
+    std::string versionIllegal = ChrClient::NetStackChrClient::GetInstance().ConvertHttpVersion(errorHttpVersion);
+    EXPECT_EQ(versionIllegal, "ILLEGAL");
+}
 }
\ No newline at end of file
diff --git a/utils/netstack_chr_client/include/i_netstack_chr_client.h b/utils/netstack_chr_client/include/i_netstack_chr_client.h
index 45fc986be5479fb2ca27558de33fe135408e0d59..3e742bacecece8850f246dd07c1b4ce0b2973b0d 100644
--- a/utils/netstack_chr_client/include/i_netstack_chr_client.h
+++ b/utils/netstack_chr_client/include/i_netstack_chr_client.h
@@ -46,6 +46,7 @@ typedef struct DataTransHttpInfo {
     curl_off_t queueTime;
     long curlCode;
     long requestStartTime;
+    std::string httpVersion;
 } DataTransHttpInfo;
 
 typedef struct DataTransTcpInfo {
diff --git a/utils/netstack_chr_client/include/netstack_chr_client.h b/utils/netstack_chr_client/include/netstack_chr_client.h
index fadb94450bf03ee46ce83151fb0452ad0b16e4e9..a4abba9a1a7d2af894d4d310c0e693057c1d8ad3 100644
--- a/utils/netstack_chr_client/include/netstack_chr_client.h
+++ b/utils/netstack_chr_client/include/netstack_chr_client.h
@@ -42,6 +42,7 @@ private:
     static DataType GetNumericAttributeFromCurl(CURL *handle, CURLINFO info);
     static std::string GetStringAttributeFromCurl(CURL *handle, CURLINFO info);
     static long GetRequestStartTime(curl_off_t totalTime);
+    static std::string ConvertHttpVersion(long version);
     static int ShouldReportHttpAbnormalEvent(const DataTransHttpInfo &httpInfo);
     NetStackChrReport netstackChrReport_;
 };
diff --git a/utils/netstack_chr_client/src/netstack_chr_client.cpp b/utils/netstack_chr_client/src/netstack_chr_client.cpp
index 0ad5254220d96935f9bc2748ca56b7ca70425fd6..e2828597477b2b8e355a11ced755668d6cf92c53 100644
--- a/utils/netstack_chr_client/src/netstack_chr_client.cpp
+++ b/utils/netstack_chr_client/src/netstack_chr_client.cpp
@@ -136,6 +136,28 @@ long NetStackChrClient::GetRequestStartTime(curl_off_t totalTime)
     return msCount;
 }
 
+std::string NetStackChrClient::ConvertHttpVersion(long version)
+{
+    switch (version) {
+        case CURL_HTTP_VERSION_NONE:
+            return "HTTP_NONE";
+        case CURL_HTTP_VERSION_1_0:
+            return "HTTP_1_0";
+        case CURL_HTTP_VERSION_1_1:
+            return "HTTP_1_1";
+        case CURL_HTTP_VERSION_2_0:
+        case CURL_HTTP_VERSION_2TLS:
+        case CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE:
+            return "HTTP_2";
+        case CURL_HTTP_VERSION_3:
+            return "HTTP_3";
+        case CURL_HTTP_VERSION_3ONLY:
+            return "HTTP_3ONLY";
+        default:
+            return "ILLEGAL";
+    }
+}
+
 void NetStackChrClient::GetHttpInfoFromCurl(CURL *handle, DataTransHttpInfo &httpInfo)
 {
     (void)curl_easy_getinfo(handle, CURLINFO_RESPONSE_CODE, &httpInfo.responseCode);
@@ -162,6 +184,8 @@ void NetStackChrClient::GetHttpInfoFromCurl(CURL *handle, DataTransHttpInfo &htt
 
     httpInfo.effectiveMethod = GetStringAttributeFromCurl(handle, CURLINFO_EFFECTIVE_METHOD);
     httpInfo.contentType = GetStringAttributeFromCurl(handle, CURLINFO_CONTENT_TYPE);
+    long version = GetNumericAttributeFromCurl<long>(handle, CURLINFO_HTTP_VERSION);
+    httpInfo.httpVersion = ConvertHttpVersion(version);
 }
 
 int NetStackChrClient::ShouldReportHttpAbnormalEvent(const DataTransHttpInfo &httpInfo)
diff --git a/utils/netstack_chr_client/src/netstack_chr_report.cpp b/utils/netstack_chr_client/src/netstack_chr_report.cpp
index a746a9d5298233df387ecee4e33a1b80ab68adc0..e57ca689fca31cd210da068a4d404d4438dc17e6 100644
--- a/utils/netstack_chr_client/src/netstack_chr_report.cpp
+++ b/utils/netstack_chr_client/src/netstack_chr_report.cpp
@@ -78,7 +78,8 @@ void NetStackChrReport::SetHttpInfoJsonStr(DataTransHttpInfo httpInfo, std::stri
 {
     std::stringstream ss;
     ss << "{\"uid\":" << httpInfo.uid
-       << ",{\"response_code\":" << httpInfo.responseCode
+       << ",{\"http_version\":\"" << httpInfo.httpVersion
+       << "\",{\"response_code\":" << httpInfo.responseCode
        << ",{\"total_time\":" << httpInfo.totalTime
        << ",{\"namelookup_time\":" << httpInfo.nameLookUpTime
        << ",{\"connect_time\":" << httpInfo.connectTime