diff --git a/include/appspawn_server.h b/include/appspawn_server.h
index 281eb5a3535e00e6162bee753ba5ed5470ce59b4..c73cf79fa9fa00cf026a1a9e3f403ae67b695ce2 100644
--- a/include/appspawn_server.h
+++ b/include/appspawn_server.h
@@ -143,8 +143,6 @@ private:
      */
     bool CheckAppProperty(const ClientSocket::AppProperty *appProperty);
 
-    void LoadAceLib();
-
 private:
     const std::string deviceNull_ = "/dev/null";
     std::string socketName_ {};
diff --git a/src/appspawn_server.cpp b/src/appspawn_server.cpp
index 38ccf1e4f6302be67dfb68f9007080e5288a5ac7..2bba92e321a2a1d9316857b286fe8dbbe3f58759 100644
--- a/src/appspawn_server.cpp
+++ b/src/appspawn_server.cpp
@@ -28,9 +28,6 @@
 #include "main_thread.h"
 #include "securec.h"
 
-#include <dirent.h>
-#include <dlfcn.h>
-
 #define GRAPHIC_PERMISSION_CHECK
 constexpr static size_t ERR_STRING_SZ = 64;
 
@@ -159,20 +156,6 @@ void AppSpawnServer::ConnectionPeer()
     }
 }
 
-void AppSpawnServer::LoadAceLib()
-{
-    std::string acelibdir("/system/lib/libace.z.so");
-    void *AceAbilityLib = nullptr;
-    HiLog::Info(LABEL, "MainThread::LoadAbilityLibrary. Start calling dlopen acelibdir.");
-    AceAbilityLib = dlopen(acelibdir.c_str(), RTLD_NOW | RTLD_GLOBAL);
-    if (AceAbilityLib == nullptr) {
-        HiLog::Error(LABEL, "Fail to dlopen %{public}s, [%{public}s]", acelibdir.c_str(), dlerror());
-    } else {
-        HiLog::Info(LABEL, "Success to dlopen %{public}s", acelibdir.c_str());
-    }
-    HiLog::Info(LABEL, "MainThread::LoadAbilityLibrary. End calling dlopen.");
-}
-
 bool AppSpawnServer::ServerMain(char *longProcName, int64_t longProcNameLen)
 {
     if (socket_->RegisterServerSocket() != 0) {
@@ -181,8 +164,6 @@ bool AppSpawnServer::ServerMain(char *longProcName, int64_t longProcNameLen)
     }
     std::thread(&AppSpawnServer::ConnectionPeer, this).detach();
 
-    LoadAceLib();
-
     while (isRunning_) {
         std::unique_lock<std::mutex> lock(mut_);
         dataCond_.wait(lock, [this] { return !this->appQueue_.empty(); });
@@ -213,8 +194,7 @@ bool AppSpawnServer::ServerMain(char *longProcName, int64_t longProcNameLen)
             continue;
         } else if (pid == 0) {
             SpecialHandle(appProperty);
-            SetAppProcProperty(connectFd, appProperty, longProcName, longProcNameLen, fd);
-            _exit(0);
+            return SetAppProcProperty(connectFd, appProperty, longProcName, longProcNameLen, fd);
         }
 
         read(fd[0], &buff, sizeof(buff));  // wait child process resutl
diff --git a/test/unittest/app_spawn_msg_peer_test/app_spawn_msg_peer_test.cpp b/test/unittest/app_spawn_msg_peer_test/app_spawn_msg_peer_test.cpp
index 5719292907f184afffa56568b5c4d446417be4aa..ea60f09c5a41e97ca92f373cf9cdc756d8de51c2 100644
--- a/test/unittest/app_spawn_msg_peer_test/app_spawn_msg_peer_test.cpp
+++ b/test/unittest/app_spawn_msg_peer_test/app_spawn_msg_peer_test.cpp
@@ -57,7 +57,7 @@ HWTEST(AppSpawnMsgPeerTest, App_Spawn_Msg_Peer_001, TestSize.Level0)
     GTEST_LOG_(INFO) << "App_Spawn_Msg_Peer_001 start";
 
     std::shared_ptr<ServerSocket> serverSocket = std::make_shared<ServerSocket>("ServerSocket");
-    int32_t connectFd = -1;
+    const int32_t connectFd = -1;
     std::unique_ptr<AppSpawnMsgPeer> appSpawnMsgPeer = std::make_unique<AppSpawnMsgPeer>(serverSocket, connectFd);
 
     EXPECT_EQ(-1, appSpawnMsgPeer->GetConnectFd());
@@ -79,7 +79,7 @@ HWTEST(AppSpawnMsgPeerTest, App_Spawn_Msg_Peer_002, TestSize.Level0)
     GTEST_LOG_(INFO) << "App_Spawn_Msg_Peer_002 start";
 
     std::shared_ptr<ServerSocket> serverSocket = std::make_shared<ServerSocket>("ServerSocket");
-    int32_t connectFd = -1;
+    const int32_t connectFd = -1;
     std::unique_ptr<AppSpawnMsgPeer> appSpawnMsgPeer = std::make_unique<AppSpawnMsgPeer>(serverSocket, connectFd);
 
     EXPECT_EQ(-1, appSpawnMsgPeer->MsgPeer());
@@ -100,7 +100,7 @@ HWTEST(AppSpawnMsgPeerTest, App_Spawn_Msg_Peer_003, TestSize.Level0)
     GTEST_LOG_(INFO) << "App_Spawn_Msg_Peer_003 start";
 
     std::shared_ptr<ServerSocket> serverSocket = nullptr;
-    int32_t connectFd = 1;
+    const int32_t connectFd = 1;
     std::unique_ptr<AppSpawnMsgPeer> appSpawnMsgPeer = std::make_unique<AppSpawnMsgPeer>(serverSocket, connectFd);
 
     EXPECT_EQ(-1, appSpawnMsgPeer->MsgPeer());
@@ -121,7 +121,7 @@ HWTEST(AppSpawnMsgPeerTest, App_Spawn_Msg_Peer_004, TestSize.Level0)
     GTEST_LOG_(INFO) << "App_Spawn_Msg_Peer_004 start";
 
     std::shared_ptr<ServerSocket> serverSocket = std::make_shared<ServerSocket>("ServerSocket");
-    int32_t connectFd = -1;
+    const int32_t connectFd = -1;
     std::unique_ptr<AppSpawnMsgPeer> appSpawnMsgPeer = std::make_unique<AppSpawnMsgPeer>(serverSocket, connectFd);
 
     EXPECT_EQ(-1, appSpawnMsgPeer->Response(1));
@@ -142,7 +142,7 @@ HWTEST(AppSpawnMsgPeerTest, App_Spawn_Msg_Peer_005, TestSize.Level0)
     GTEST_LOG_(INFO) << "App_Spawn_Msg_Peer_005 start";
 
     std::shared_ptr<ServerSocket> serverSocket = nullptr;
-    int32_t connectFd = 1;
+    const int32_t connectFd = 1;
     std::unique_ptr<AppSpawnMsgPeer> appSpawnMsgPeer = std::make_unique<AppSpawnMsgPeer>(serverSocket, connectFd);
 
     EXPECT_EQ(-1, appSpawnMsgPeer->Response(1));
@@ -163,7 +163,7 @@ HWTEST(AppSpawnMsgPeerTest, App_Spawn_Msg_Peer_006, TestSize.Level0)
     GTEST_LOG_(INFO) << "App_Spawn_Msg_Peer_006 start";
 
     std::shared_ptr<MockServerSocket> mockServerSocket = std::make_shared<MockServerSocket>("MockServerSocket");
-    int32_t connectFd = 1;
+    const int32_t connectFd = 1;
     std::unique_ptr<AppSpawnMsgPeer> appSpawnMsgPeer = std::make_unique<AppSpawnMsgPeer>(mockServerSocket, connectFd);
 
     EXPECT_CALL(*mockServerSocket, ReadSocketMessage(_, _, _)).WillOnce(Return(-1));
@@ -186,7 +186,7 @@ HWTEST(AppSpawnMsgPeerTest, App_Spawn_Msg_Peer_007, TestSize.Level0)
     GTEST_LOG_(INFO) << "App_Spawn_Msg_Peer_007 start";
 
     std::shared_ptr<MockServerSocket> mockServerSocket = std::make_shared<MockServerSocket>("MockServerSocket");
-    int32_t connectFd = 1;
+    const int32_t connectFd = 1;
     std::unique_ptr<AppSpawnMsgPeer> appSpawnMsgPeer = std::make_unique<AppSpawnMsgPeer>(mockServerSocket, connectFd);
 
     EXPECT_CALL(*mockServerSocket, ReadSocketMessage(_, _, _)).WillOnce(Return(sizeof(ClientSocket::AppProperty) + 1));
@@ -209,7 +209,7 @@ HWTEST(AppSpawnMsgPeerTest, App_Spawn_Msg_Peer_008, TestSize.Level0)
     GTEST_LOG_(INFO) << "App_Spawn_Msg_Peer_008 start";
 
     std::shared_ptr<MockServerSocket> mockServerSocket = std::make_shared<MockServerSocket>("MockServerSocket");
-    int32_t connectFd = 1;
+    const int32_t connectFd = 1;
     std::unique_ptr<AppSpawnMsgPeer> appSpawnMsgPeer = std::make_unique<AppSpawnMsgPeer>(mockServerSocket, connectFd);
 
     EXPECT_EQ(nullptr, appSpawnMsgPeer->GetMsg());
diff --git a/test/unittest/app_spawn_server_test/app_spawn_server_override_test.cpp b/test/unittest/app_spawn_server_test/app_spawn_server_override_test.cpp
index 8956e0c272b9963f3929e3282b2d4dbfcb0879f2..33422757e190970eb1ff7b0372b4b88d5b32ea75 100644
--- a/test/unittest/app_spawn_server_test/app_spawn_server_override_test.cpp
+++ b/test/unittest/app_spawn_server_test/app_spawn_server_override_test.cpp
@@ -24,9 +24,6 @@
 #undef private
 #undef protected
 
-#include <dirent.h>
-#include <dlfcn.h>
-
 using namespace testing;
 using namespace testing::ext;
 using namespace OHOS::AppSpawn;
diff --git a/test/unittest/app_spawn_socket_test/app_spawn_socket_test.cpp b/test/unittest/app_spawn_socket_test/app_spawn_socket_test.cpp
index ca5a5bb49c6e51bb955a3a5de08c75d2a9cf86fe..0145797ec0c4cc01bd96c886e790df3e9a0f8a0d 100644
--- a/test/unittest/app_spawn_socket_test/app_spawn_socket_test.cpp
+++ b/test/unittest/app_spawn_socket_test/app_spawn_socket_test.cpp
@@ -274,7 +274,7 @@ HWTEST(AppSpawnSocketTest, App_Spawn_Socket_010, TestSize.Level0)
     EXPECT_TRUE(appSpawnSocket);
     std::string content = "hiworld";
     int32_t len = content.length();
-    EXPECT_TRUE(len);
+    EXPECT_TRUE(len > 0);
     std::unique_ptr<int8_t[]> buff = std::make_unique<int8_t[]>(len);
     EXPECT_TRUE(buff);
     int32_t fd[2] = {0, 0};
@@ -405,7 +405,7 @@ HWTEST(AppSpawnSocketTest, App_Spawn_Socket_015, TestSize.Level0)
     EXPECT_TRUE(appSpawnSocket);
     std::string content = "hiworld";
     int32_t len = content.length();
-    EXPECT_TRUE(len);
+    EXPECT_TRUE(len > 0);
     std::unique_ptr<int8_t[]> buff = std::make_unique<int8_t[]>(len);
     EXPECT_TRUE(buff);
     int32_t fd[2] = {0, 0};