diff --git a/CMakeLists.txt.user b/CMakeLists.txt.user
index 20481fe..d3552f0 100644
--- a/CMakeLists.txt.user
+++ b/CMakeLists.txt.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 14.0.1, 2024-09-27T11:35:23. -->
+<!-- Written by QtCreator 14.0.1, 2024-09-27T17:51:07. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
@@ -101,7 +101,7 @@
    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Desktop Qt 6.7.2 MinGW 64-bit</value>
    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Desktop Qt 6.7.2 MinGW 64-bit</value>
    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">qt.qt6.672.win64_mingw_kit</value>
-   <value type="qlonglong" key="ProjectExplorer.Target.ActiveBuildConfiguration">1</value>
+   <value type="qlonglong" key="ProjectExplorer.Target.ActiveBuildConfiguration">0</value>
    <value type="qlonglong" key="ProjectExplorer.Target.ActiveDeployConfiguration">0</value>
    <value type="qlonglong" key="ProjectExplorer.Target.ActiveRunConfiguration">0</value>
    <valuemap type="QVariantMap" key="ProjectExplorer.Target.BuildConfiguration.0">
@@ -109,14 +109,14 @@
     <value type="int" key="CMake.Configure.BaseEnvironment">2</value>
     <value type="bool" key="CMake.Configure.ClearSystemEnvironment">false</value>
     <valuelist type="QVariantList" key="CMake.Configure.UserEnvironmentChanges"/>
-    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
--DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
--DCMAKE_GENERATOR:STRING=Ninja
--DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_BUILD_TYPE:STRING=Debug
 -DCMAKE_CXX_COMPILER:FILEPATH=%{Compiler:Executable:Cxx}
 -DCMAKE_PREFIX_PATH:PATH=%{Qt:QT_INSTALL_PREFIX}
+-DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
 -DCMAKE_C_COMPILER:FILEPATH=%{Compiler:Executable:C}
--DCMAKE_BUILD_TYPE:STRING=Debug</value>
+-DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
+-DCMAKE_GENERATOR:STRING=Ninja</value>
     <value type="int" key="EnableQmlDebugging">0</value>
     <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">C:\Users\14354\Documents\Qt Projects\MicrologicIDE\build\Desktop_Qt_6_7_2_MinGW_64_bit-Debug</value>
     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
@@ -166,14 +166,14 @@
     <value type="int" key="CMake.Configure.BaseEnvironment">2</value>
     <value type="bool" key="CMake.Configure.ClearSystemEnvironment">false</value>
     <valuelist type="QVariantList" key="CMake.Configure.UserEnvironmentChanges"/>
-    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
--DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
--DCMAKE_GENERATOR:STRING=Ninja
--DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_BUILD_TYPE:STRING=Release
 -DCMAKE_CXX_COMPILER:FILEPATH=%{Compiler:Executable:Cxx}
 -DCMAKE_PREFIX_PATH:PATH=%{Qt:QT_INSTALL_PREFIX}
+-DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
 -DCMAKE_C_COMPILER:FILEPATH=%{Compiler:Executable:C}
--DCMAKE_BUILD_TYPE:STRING=Release</value>
+-DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
+-DCMAKE_GENERATOR:STRING=Ninja</value>
     <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">C:\Users\14354\Documents\Qt Projects\MicrologicIDE\build\Desktop_Qt_6_7_2_MinGW_64_bit-Release</value>
     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
      <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
@@ -222,14 +222,14 @@
     <value type="int" key="CMake.Configure.BaseEnvironment">2</value>
     <value type="bool" key="CMake.Configure.ClearSystemEnvironment">false</value>
     <valuelist type="QVariantList" key="CMake.Configure.UserEnvironmentChanges"/>
-    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
--DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
--DCMAKE_GENERATOR:STRING=Ninja
--DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo
 -DCMAKE_CXX_COMPILER:FILEPATH=%{Compiler:Executable:Cxx}
 -DCMAKE_PREFIX_PATH:PATH=%{Qt:QT_INSTALL_PREFIX}
+-DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
 -DCMAKE_C_COMPILER:FILEPATH=%{Compiler:Executable:C}
--DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo</value>
+-DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
+-DCMAKE_GENERATOR:STRING=Ninja</value>
     <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">C:\Users\14354\Documents\Qt Projects\MicrologicIDE\build\Desktop_Qt_6_7_2_MinGW_64_bit-RelWithDebInfo</value>
     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
      <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
@@ -276,14 +276,14 @@
     <value type="int" key="CMake.Configure.BaseEnvironment">2</value>
     <value type="bool" key="CMake.Configure.ClearSystemEnvironment">false</value>
     <valuelist type="QVariantList" key="CMake.Configure.UserEnvironmentChanges"/>
-    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
--DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
--DCMAKE_GENERATOR:STRING=Ninja
--DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo
 -DCMAKE_CXX_COMPILER:FILEPATH=%{Compiler:Executable:Cxx}
 -DCMAKE_PREFIX_PATH:PATH=%{Qt:QT_INSTALL_PREFIX}
+-DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
 -DCMAKE_C_COMPILER:FILEPATH=%{Compiler:Executable:C}
--DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo</value>
+-DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
+-DCMAKE_GENERATOR:STRING=Ninja</value>
     <value type="int" key="EnableQmlDebugging">0</value>
     <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">C:\Users\14354\Documents\Qt Projects\MicrologicIDE\build\Desktop_Qt_6_7_2_MinGW_64_bit-Profile</value>
     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
@@ -331,14 +331,14 @@
     <value type="int" key="CMake.Configure.BaseEnvironment">2</value>
     <value type="bool" key="CMake.Configure.ClearSystemEnvironment">false</value>
     <valuelist type="QVariantList" key="CMake.Configure.UserEnvironmentChanges"/>
-    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
--DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
--DCMAKE_GENERATOR:STRING=Ninja
--DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+    <value type="QString" key="CMake.Initial.Parameters">-DCMAKE_BUILD_TYPE:STRING=MinSizeRel
 -DCMAKE_CXX_COMPILER:FILEPATH=%{Compiler:Executable:Cxx}
 -DCMAKE_PREFIX_PATH:PATH=%{Qt:QT_INSTALL_PREFIX}
+-DCMAKE_CXX_FLAGS_INIT:STRING=%{Qt:QML_DEBUG_FLAG}
 -DCMAKE_C_COMPILER:FILEPATH=%{Compiler:Executable:C}
--DCMAKE_BUILD_TYPE:STRING=MinSizeRel</value>
+-DQT_QMAKE_EXECUTABLE:FILEPATH=%{Qt:qmakeExecutable}
+-DCMAKE_PROJECT_INCLUDE_BEFORE:FILEPATH=%{BuildConfig:BuildDirectory:NativeFilePath}/.qtc/package-manager/auto-setup.cmake
+-DCMAKE_GENERATOR:STRING=Ninja</value>
     <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">C:\Users\14354\Documents\Qt Projects\MicrologicIDE\build\Desktop_Qt_6_7_2_MinGW_64_bit-MinSizeRel</value>
     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
      <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
@@ -413,7 +413,7 @@
     <value type="bool" key="RunConfiguration.UseCppDebuggerAuto">true</value>
     <value type="bool" key="RunConfiguration.UseLibrarySearchPath">true</value>
     <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
-    <value type="QString" key="RunConfiguration.WorkingDirectory.default">C:/Users/14354/Documents/Qt Projects/MicrologicIDE/build/Desktop_Qt_6_7_2_MinGW_64_bit-Release</value>
+    <value type="QString" key="RunConfiguration.WorkingDirectory.default">C:/Users/14354/Documents/Qt Projects/MicrologicIDE/build/Desktop_Qt_6_7_2_MinGW_64_bit-Debug</value>
    </valuemap>
    <value type="qlonglong" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
   </valuemap>
diff --git a/Micrologic.exe b/Micrologic.exe
index b20255d..c11983d 100644
Binary files a/Micrologic.exe and b/Micrologic.exe differ
diff --git a/MicrologicIDE.cpp b/MicrologicIDE.cpp
index 4563222..c3b77f5 100644
--- a/MicrologicIDE.cpp
+++ b/MicrologicIDE.cpp
@@ -619,24 +619,40 @@ void MicrologicIDE::updateDebug()
 
     std::stringstream ss(text);
     std::string s{};
-    std::vector<std::string> nums{};
+    std::vector<std::string> infos{},nums{};
     while (std::getline(ss, s, ' ')) {
-        nums.push_back(s);
+        infos.push_back(s);
     }
     std::string line1="",line2="";
-    for(int i=0;i<nums.size();i++){
+    for(int i=0;i<infos.size();i++){
+        nums.push_back(infos[i].substr(2,infos.size()));
+        bool I=(infos[i][0]=='I'),O=(infos[i][1]=='O');
+        std::string start="",end="";
+        if(I&&O){
+            start=IOStart;
+            end=IOEnd;
+        }
+        else if(I){
+            start=IStart;
+            end=IEnd;
+        }
+        else if(O){
+            start=OStart;
+            end=OEnd;
+        }
+
         if(nums[i].size()==1){
-            line1+=("[L"+std::to_string(i)+"] ");
-            if(std::to_string(i).length()==1) line2+=("  "+nums[i]+"  ");
-            else line2+=("  "+nums[i]+"   ");
+            line1+=(start+"[L"+std::to_string(i)+"]"+end+" ");
+            if(std::to_string(i).length()==1) line2+=("  "+start+nums[i]+end+"  ");
+            else line2+=("  "+start+nums[i]+end+"   ");
         }
         else{
-            line1+=("[W"+std::to_string(i)+"] ");
-            if(std::to_string(i).length()==1) line2+=(nums[i]+" ");
-            else line2+=(" "+nums[i]+" ");
+            line1+=(start+"[W"+std::to_string(i)+"]"+end+" ");
+            if(std::to_string(i).length()==1) line2+=(start+nums[i]+end+" ");
+            else line2+=(" "+start+nums[i]+end+" ");
         }
     }
     line1=line1.substr(0,line1.length()-1);
     line2=line2.substr(0,line2.length()-1);
-    ui->debugText->setText((line1+"\n"+line2).c_str());
+    ui->debugText->setText((debugInfo+"<br>"+debugStart+line1+"<br>"+line2+debugEnd).c_str());
 }
diff --git a/MicrologicIDE.h b/MicrologicIDE.h
index 188f356..6746174 100644
--- a/MicrologicIDE.h
+++ b/MicrologicIDE.h
@@ -23,6 +23,12 @@ class MicrologicIDE : public QMainWindow
     const std::string numStart="<span style=\"color: aqua; white-space: pre;\">",numEnd="</span>";
     const std::string modStart="<span style=\"color: purple; white-space: pre;\">",modEnd="</span>";
 
+    const std::string debugStart="<span style=\"white-space: pre;\">",debugEnd="</span>";
+    const std::string IStart="<span style=\"color: red; white-space: pre;\">",IEnd="</span>";
+    const std::string OStart="<span style=\"color: blue; white-space: pre;\">",OEnd="</span>";
+    const std::string IOStart="<span style=\"color: purple; white-space: pre;\">",IOEnd="</span>";
+    const std::string debugInfo="====[DEBUG INFO] "+IStart+"input "+IEnd+OStart+"output "+OEnd+IOStart+"input&output "+IOEnd+"====";
+
     const std::vector<std::string> blankChars={" ","\n",errorStart,errorEnd,"<br>"};
     const std::vector<std::string> keys={"end","line","wline","N","A","R","T","C","P","set","check","input:","input","output:","output","tick","tick!","speed","path","open","mod","block","inspect","echo","@echo","clear","help","clear"};
     const std::vector<std::string> nums={"0","1","2","3","4","5","6","7","8","9"};
diff --git a/MicrologicIDE.ui b/MicrologicIDE.ui
index d0d0b77..73ec9cf 100644
--- a/MicrologicIDE.ui
+++ b/MicrologicIDE.ui
@@ -36,7 +36,7 @@
       <property name="maximumSize">
        <size>
         <width>16777215</width>
-        <height>36</height>
+        <height>54</height>
        </size>
       </property>
       <property name="font">
@@ -44,6 +44,9 @@
         <family>Consolas</family>
        </font>
       </property>
+      <property name="lineWrapMode">
+       <enum>QTextEdit::LineWrapMode::NoWrap</enum>
+      </property>
      </widget>
     </item>
    </layout>
diff --git a/help.txt b/help.txt
index 912a048..e58060e 100644
--- a/help.txt
+++ b/help.txt
@@ -45,6 +45,12 @@ path [PATH]                                               Set path of scripts. U
 open [FILE]                                               Open an Micrologic script file. Use double quotation marks when the file name include spaces.
 mod [MOD] [FILE]                                          Give an file a mod name, in order to use it as a block afterwards.
 block [MOD] [INPUT [INPUT ...]] [OUTPUT [OUTPUT ...]]     Creates a user-defined block.
+tag [ALINE]                                               Check whether a line is set as input or output.
+type [ALINE]                                              Check whether a line is wide.
+check-input                                               Lists the line order numbers of input lines.
+check-input [INPUT]                                       Lists the line order number of a designated input line.
+check-output                                              Lists the line order numbers of output lines.
+check-output [OUTPUT]                                     Lists the line order number of a designated output line.
 inspect [BLOCKTYPE] [BLOCK]                               Checks whether a block connects correct line type.
 echo [MESSAGE]                                            Outputs a message.
 @echo [ECHO]                                              Set whether to echo messages. Requires 0 or 1.