diff --git a/host/smartperf/client/client_command/cpu_info.cpp b/host/smartperf/client/client_command/cpu_info.cpp
index f4d8d32352f61fffdeb4adc4979e6369beb90b09..45091f591a7e10287245e7afcf29e3c3e597e631 100644
--- a/host/smartperf/client/client_command/cpu_info.cpp
+++ b/host/smartperf/client/client_command/cpu_info.cpp
@@ -64,7 +64,7 @@ std::map<std::string, std::string> CPUInfo::ItemData()
     return result;
 }
 
-void CPUInfo::CalculateCPIInfo(const std::string line, double &cpiTotal, size_t &cpiCount)
+void CPUInfo::CalculateCPIInfo(const std::string line, double &cpi_total, size_t &cpi_count)
 {
     auto trim = [](std::string& s) {
         s.erase(0, s.find_first_not_of(" \t"));
@@ -78,8 +78,8 @@ void CPUInfo::CalculateCPIInfo(const std::string line, double &cpiTotal, size_t
         if (cpi_pos != std::string::npos) {
             size_t number_end = comment.find(" ", 0);
             std::string cpi_str = comment.substr(0, number_end);
-            cpiTotal += SPUtilesTye::StringToSometype<double>(cpi_str);
-            ++cpiCount;
+            cpi_total += SPUtilesTye::StringToSometype<double>(cpi_str);
+            ++cpi_count;
         }
     }
 }
diff --git a/host/smartperf/client/client_command/include/cpu_info.h b/host/smartperf/client/client_command/include/cpu_info.h
index 428ce835a70873a3cac777cc2180d2333dfc50bc..53e9c378a74003a923d2f4d2d4e0eb81271134d8 100644
--- a/host/smartperf/client/client_command/include/cpu_info.h
+++ b/host/smartperf/client/client_command/include/cpu_info.h
@@ -41,7 +41,7 @@ public:
     void Start();
     void Stop();
 private:
-    void CalculateCPIInfo(const std::string line, double &cpiTotal, size_t &cpiCount);
+    void CalculateCPIInfo(const std::string line, double &cpi_total, size_t &cpi_count);
     std::vector<std::string> pids_;
     std::thread th_;
     std::string hiperfCmd_ = "/bin/hiperf stat -e " + SPUtils::GetProductName() + "-instructions," +
diff --git a/host/smartperf/client/client_command/test/BUILD.gn b/host/smartperf/client/client_command/test/BUILD.gn
index 4cc849b961ccac032be9250463e3d23a20cd813e..370e943a4843f145178131b9f142eff6c46b3d17 100644
--- a/host/smartperf/client/client_command/test/BUILD.gn
+++ b/host/smartperf/client/client_command/test/BUILD.gn
@@ -67,6 +67,7 @@ ohos_unittest("sp_daemon_ut") {
     "unittest/ddr_test.cpp",
     "unittest/dubai_test.cpp",
     "unittest/editor_command_test.cpp",
+    "unittest/filedescriptor_test.cpp",
     "unittest/fps_test.cpp",
     "unittest/gpuCounter_test.cpp",
     "unittest/parse_click_complete_trace_test.cpp",
diff --git a/host/smartperf/client/client_command/test/unittest/filedescriptor_test.cpp b/host/smartperf/client/client_command/test/unittest/filedescriptor_test.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..e5a52da6f317db6fb74f6b4a7fbb4e7cb02d88e1
--- /dev/null
+++ b/host/smartperf/client/client_command/test/unittest/filedescriptor_test.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+#include <regex>
+#include <string>
+#include "FileDescriptor.h"
+#include "sp_utils.h"
+using namespace testing::ext;
+using namespace std;
+
+namespace OHOS {
+namespace SmartPerf {
+class SPdaemonFdsTest : public testing::Test {
+public:
+    static void SetUpTestCase() {}
+    static void TearDownTestCase() {}
+
+    void SetUp() {}
+    void TearDown() {}
+};
+
+static bool VerifResult(const std::string &result)
+{
+    int fdTotalInt = 0;
+    std::regex fdTotalRegex(R"(fdTotal=(\d+))");
+    std::smatch match;
+    std::string::const_iterator searchStart(result.cbegin());
+    while (std::regex_search(searchStart, result.cend(), match, fdTotalRegex)) {
+        std::cout << "Match found: " << match.str(0) << std::endl;
+        std::string fdTotalStr  = match.str(1);
+        fdTotalInt = std::stoi(fdTotalStr);
+        std::cout << "fdTotalInt as integer: " << fdTotalInt << std::endl;
+        searchStart = match.suffix().first;
+    }
+    return fdTotalInt > 0;
+}
+
+/**
+ * @tc.name: FdsTestCase01
+ * @tc.desc: Test Fds by packagename
+ * @tc.type: FUNC
+ */
+HWTEST_F(SPdaemonFdsTest, FdsTestCase01, TestSize.Level1)
+{
+    std::string cmd = "SP_daemon -N 1 -PKG ohos.samples.ecg -fds";
+    std::string result = "";
+    bool flag = false;
+    bool ret = SPUtils::LoadCmd(cmd, result);
+    std::string::size_type strOne = result.find("command exec finished!");
+    if ((strOne != result.npos)) {
+        flag = true;
+    }
+    EXPECT_EQ(ret, true);
+    EXPECT_TRUE(flag);
+}
+
+/**
+ * @tc.name: FdsTestCase03
+ * @tc.desc: Test Fds by pid not exit
+ * @tc.type: FUNC
+ */
+HWTEST_F(SPdaemonFdsTest, FdsTestCase03, TestSize.Level1)
+{
+    std::string cmd = "SP_daemon -N 1 -fds -PID 88888888"; // 88888888 is not exit
+    std::string result = "";
+    bool ret = SPUtils::LoadCmd(cmd, result);
+    EXPECT_EQ(ret, true);
+    ret = VerifResult(result);
+    EXPECT_EQ(ret, false);
+}
+
+/**
+ * @tc.name: FdsTestCase04
+ * @tc.desc: Test Fds
+ * @tc.type: FUNC
+ */
+HWTEST_F(SPdaemonFdsTest, FdsTestCase04, TestSize.Level1)
+{
+    FileDescriptor &fdsInstance = FileDescriptor::GetInstance();
+    std::string packName = "init";
+    fdsInstance.SetPackageName(packName);
+    fdsInstance.SetProcessId("1");
+    std::map<std::string, std::string> fdsItemData = fdsInstance.ItemData();
+    std::string fdTotal = fdsItemData["fdTotal"];
+    std::string fds = fdsItemData["fds"];
+    EXPECT_EQ(fdTotal.empty(), false);
+    EXPECT_EQ(fds.empty(), false);
+}
+} // namespace OHOS
+} // namespace SmartPerf
\ No newline at end of file