diff --git a/src/MeoAssistant/AsstUtils.hpp b/src/MeoAssistant/AsstUtils.hpp
index fc805d5367..c9b30d7770 100644
--- a/src/MeoAssistant/AsstUtils.hpp
+++ b/src/MeoAssistant/AsstUtils.hpp
@@ -169,8 +169,10 @@ namespace asst
 
         inline std::string callcmd(const std::string& cmdline)
         {
-            constexpr int BuffSize = 4096;
+            constexpr int PipeBuffSize = 4096;
             std::string pipe_str;
+            auto pipe_buffer = std::make_unique<char[]>(PipeBuffSize);
+
 #ifdef _WIN32
             SECURITY_ATTRIBUTES pipe_sec_attr = { 0 };
             pipe_sec_attr.nLength = sizeof(SECURITY_ATTRIBUTES);
@@ -178,7 +180,7 @@ namespace asst
             pipe_sec_attr.bInheritHandle = TRUE;
             HANDLE pipe_read = nullptr;
             HANDLE pipe_child_write = nullptr;
-            CreatePipe(&pipe_read, &pipe_child_write, &pipe_sec_attr, BuffSize);
+            CreatePipe(&pipe_read, &pipe_child_write, &pipe_sec_attr, PipeBuffSize);
 
             STARTUPINFOA si = { 0 };
             si.cb = sizeof(STARTUPINFO);
@@ -191,18 +193,12 @@ namespace asst
 
             BOOL p_ret = CreateProcessA(nullptr, const_cast<LPSTR>(cmdline.c_str()), nullptr, nullptr, TRUE, CREATE_NO_WINDOW, nullptr, nullptr, &si, &pi);
             if (p_ret) {
+                DWORD peek_num = 0;
                 DWORD read_num = 0;
-                DWORD std_num = 0;
                 do {
-                    while (::PeekNamedPipe(pipe_read, nullptr, 0, nullptr, &read_num, nullptr) && read_num > 0) {
-                        char* pipe_buffer = new char[read_num];
-                        BOOL read_ret = ::ReadFile(pipe_read, pipe_buffer, read_num, &std_num, nullptr);
-                        if (read_ret) {
-                            pipe_str.append(pipe_buffer, pipe_buffer + std_num);
-                        }
-                        if (pipe_buffer != nullptr) {
-                            delete[] pipe_buffer;
-                            pipe_buffer = nullptr;
+                    while (::PeekNamedPipe(pipe_read, nullptr, 0, nullptr, &peek_num, nullptr) && peek_num > 0) {
+                        if (::ReadFile(pipe_read, pipe_buffer.get(), peek_num, &read_num, nullptr)) {
+                            pipe_str.append(pipe_buffer.get(), pipe_buffer.get() + read_num);
                         }
                     }
                 } while (::WaitForSingleObject(pi.hProcess, 0) == WAIT_TIMEOUT);
@@ -248,14 +244,12 @@ namespace asst
                 close(pipe_in[PIPE_READ]);
                 close(pipe_out[PIPE_WRITE]);
 
-                std::unique_ptr<char> pipe_buffer(new char[BuffSize + 1]);
                 do {
-                    memset(pipe_buffer.get(), 0, BuffSize);
-                    ssize_t read_num = read(pipe_out[PIPE_READ], pipe_buffer.get(), BuffSize);
+                    ssize_t read_num = read(pipe_out[PIPE_READ], pipe_buffer.get(), PipeBuffSize);
 
                     while (read_num > 0) {
                         pipe_str.append(pipe_buffer.get(), pipe_buffer.get() + read_num);
-                        read_num = read(pipe_out[PIPE_READ], pipe_buffer.get(), BuffSize);
+                        read_num = read(pipe_out[PIPE_READ], pipe_buffer.get(), PipeBuffSize);
                     };
                 } while (::waitpid(child, nullptr, WNOHANG) == 0);
 
@@ -268,10 +262,10 @@ namespace asst
                 close(pipe_in[PIPE_WRITE]);
                 close(pipe_out[PIPE_READ]);
                 close(pipe_out[PIPE_WRITE]);
-            }
+        }
 #endif
             return pipe_str;
-        }
+    }
 
         //template<typename T,
         //	typename = typename std::enable_if<std::is_constructible<T, std::string>::value>::type>
@@ -313,5 +307,5 @@ namespace asst
         //	}
         //	return str;
         //}
-    }
+}
 }
diff --git a/src/MeoAssistant/Controller.cpp b/src/MeoAssistant/Controller.cpp
index 62ae498c96..df7d5e242f 100644
--- a/src/MeoAssistant/Controller.cpp
+++ b/src/MeoAssistant/Controller.cpp
@@ -397,26 +397,20 @@ std::pair<bool, std::vector<unsigned char>> asst::Controller::call_command(const
     std::unique_lock<std::mutex> pipe_lock(pipe_mutex);
 
     std::vector<uchar> pipe_data;
+    auto pipe_buffer = std::make_unique<uchar[]>(PipeBuffSize);
 
 #ifdef _WIN32
     PROCESS_INFORMATION process_info = { 0 }; // 进程信息结构体
     ::CreateProcessA(nullptr, const_cast<LPSTR>(cmd.c_str()), nullptr, nullptr, TRUE, CREATE_NO_WINDOW, nullptr, nullptr, &m_child_startup_info, &process_info);
 
+    DWORD peek_num = 0;
+    DWORD read_num = 0;
     do {
         //DWORD write_num = 0;
         //WriteFile(parent_write, cmd.c_str(), cmd.size(), &write_num, nullptr);
-
-        DWORD read_num = 0;
-        DWORD std_num = 0;
-        while (::PeekNamedPipe(m_pipe_read, nullptr, 0, nullptr, &read_num, nullptr) && read_num > 0) {
-            uchar* pipe_buffer = new uchar[read_num];
-            BOOL read_ret = ::ReadFile(m_pipe_read, pipe_buffer, read_num, &std_num, nullptr);
-            if (read_ret) {
-                pipe_data.insert(pipe_data.end(), pipe_buffer, pipe_buffer + std_num);
-            }
-            if (pipe_buffer != nullptr) {
-                delete[] pipe_buffer;
-                pipe_buffer = nullptr;
+        while (::PeekNamedPipe(m_pipe_read, nullptr, 0, nullptr, &peek_num, nullptr) && peek_num > 0) {
+            if (::ReadFile(m_pipe_read, pipe_buffer.get(), PipeBuffSize, &read_num, nullptr)) {
+                pipe_data.insert(pipe_data.end(), pipe_buffer.get(), pipe_buffer.get() + read_num);
             }
         }
     } while (::WaitForSingleObject(process_info.hProcess, 0) == WAIT_TIMEOUT);
@@ -451,10 +445,7 @@ std::pair<bool, std::vector<unsigned char>> asst::Controller::call_command(const
     else if (m_child > 0) {
         // parent process
         // LogTraceScope("Parent process: " + cmd);
-        constexpr int BuffSize = 4096;
-        std::unique_ptr<uchar> pipe_buffer(new uchar[BuffSize + 1]);
         do {
-            memset(pipe_buffer.get(), 0, BuffSize);
             ssize_t read_num = read(m_pipe_out[PIPE_READ], pipe_buffer.get(), BuffSize);
 
             while (read_num > 0) {
@@ -562,6 +553,7 @@ int asst::Controller::push_cmd(const std::string & cmd)
 void asst::Controller::wait(unsigned id) const noexcept
 {
     while (id > m_completed_id) {
+        std::this_thread::sleep_for(std::chrono::milliseconds(50));
         std::this_thread::yield();
     }
 }
diff --git a/src/MeoAssistant/Controller.h b/src/MeoAssistant/Controller.h
index a0a9b195fa..43a925febb 100644
--- a/src/MeoAssistant/Controller.h
+++ b/src/MeoAssistant/Controller.h
@@ -92,7 +92,7 @@ namespace asst
         cv::Mat m_cache_image;
         bool m_image_convert_lf = false;
 
-        constexpr static int PipeBuffSize = 1048576; // 管道缓冲区大小
+        constexpr static int PipeBuffSize = 4 * 1024; // 管道缓冲区大小
 #ifdef _WIN32
         HANDLE m_pipe_read = nullptr;                // 读管道句柄
         HANDLE m_pipe_write = nullptr;               // 写管道句柄
diff --git a/src/MeoAssistant/MeoAssistant.vcxproj b/src/MeoAssistant/MeoAssistant.vcxproj
index 27959467df..e61709ba0f 100644
--- a/src/MeoAssistant/MeoAssistant.vcxproj
+++ b/src/MeoAssistant/MeoAssistant.vcxproj
@@ -183,6 +183,7 @@
       <UACExecutionLevel>RequireAdministrator</UACExecutionLevel>
       <AdditionalLibraryDirectories>
       </AdditionalLibraryDirectories>
+      <Profile>true</Profile>
     </Link>
     <PreBuildEvent>
       <Command>
@@ -228,6 +229,7 @@ xcopy /e /y /i /c $(SolutionDir)3rdparty\resource $(TargetDir)resource</Command>
       <UACExecutionLevel>RequireAdministrator</UACExecutionLevel>
       <AdditionalLibraryDirectories>
       </AdditionalLibraryDirectories>
+      <Profile>true</Profile>
     </Link>
     <PreBuildEvent>
       <Command>
diff --git a/src/MeoAssistant/Version.h b/src/MeoAssistant/Version.h
index d21977f36d..e05953a684 100644
--- a/src/MeoAssistant/Version.h
+++ b/src/MeoAssistant/Version.h
@@ -2,5 +2,5 @@
 
 namespace asst
 {
-    constexpr static const char* Version = "v2.6.0";
+    constexpr static const char* Version = "v2.6.1";
 }
diff --git a/tools/TestCaller/TestCaller.vcxproj b/tools/TestCaller/TestCaller.vcxproj
index 31cd4668a5..120a646b0d 100644
--- a/tools/TestCaller/TestCaller.vcxproj
+++ b/tools/TestCaller/TestCaller.vcxproj
@@ -78,6 +78,7 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>MeoAssistant.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>$(TargetDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <Profile>true</Profile>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='RelWithDebInfo|x64'">
@@ -101,6 +102,7 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>MeoAssistant.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalLibraryDirectories>$(TargetDir);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <Profile>true</Profile>
     </Link>
   </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />