diff --git a/framework/cybertron/tools/cvt/monitor/cybertron_topology_message.cpp b/framework/cybertron/tools/cvt/monitor/cybertron_topology_message.cpp
index e54df43396623295f90fcbbf3371fce6d560a47b..d289f974ba3248e7b8408bdc2a2c99a7ac9dc830 100644
--- a/framework/cybertron/tools/cvt/monitor/cybertron_topology_message.cpp
+++ b/framework/cybertron/tools/cvt/monitor/cybertron_topology_message.cpp
@@ -27,11 +27,11 @@
 
 constexpr int SecondColumnOffset = 4;
 
-CybertronTopologyMessage::CybertronTopologyMessage()
+CybertronTopologyMessage::CybertronTopologyMessage(const std::string& channel)
     : RenderableMessage(nullptr, 1),
       second_column_(SecondColumnType::MessageFrameRatio),
-      page_item_count_(24),
       col1_width_(8),
+      specified_channel_(channel),
       all_channels_map_() {}
 
 CybertronTopologyMessage::~CybertronTopologyMessage(void) {
@@ -75,6 +75,10 @@ void CybertronTopologyMessage::TopologyChanged(
   const std::string& channelName = changeMsg.role_attr().channel_name();
   const std::string& msgTypeName = changeMsg.role_attr().message_type();
 
+  if (!specified_channel_.empty() && specified_channel_ != channelName) {
+    return;
+  }
+
   if ((int)channelName.length() > col1_width_) {
     col1_width_ = channelName.length();
   }
@@ -106,17 +110,16 @@ void CybertronTopologyMessage::TopologyChanged(
     if (!ChannelMessage::isErrorCode(channelMsg)) {
       if (::apollo::cybertron::proto::RoleType::ROLE_WRITER ==
           changeMsg.role_type()) {
+        if (msgTypeName != apollo::cybertron::message::MessageType<
+                               apollo::cybertron::message::RawMessage>()) {
+          channelMsg->set_message_type(msgTypeName);
+        }
+
         channelMsg->add_writer(nodeName);
       } else {
         channelMsg->add_reader(nodeName);
       }
-
-      if (msgTypeName != apollo::cybertron::message::MessageType<
-                             apollo::cybertron::message::RawMessage>()) {
-        channelMsg->set_message_type(msgTypeName);
-      }
     }
-
   } else {
     auto iter = all_channels_map_.find(channelName);
 
@@ -144,18 +147,6 @@ void CybertronTopologyMessage::ChangeState(const Screen* s, int key) {
       second_column_ = SecondColumnType::MessageType;
       break;
 
-      // case CTRL('d'):
-      // case KEY_NPAGE:
-      //   ++page_index_;
-      //   if (page_index_ >= pages_) page_index_ = pages_ - 1;
-      //   break;
-
-      // case CTRL('u'):
-      // case KEY_PPAGE:
-      //   --page_index_;
-      //   if (page_index_ < 1) page_index_ = 0;
-      //   break;
-
     case ' ': {
       ChannelMessage* child = static_cast<ChannelMessage*>(Child(*line_no()));
       if (child) {
@@ -173,7 +164,6 @@ void CybertronTopologyMessage::Render(const Screen* s, int key) {
   ChangeState(s, key);
   SplitPages(key);
 
-  // display table title
   s->AddStr(0, 0, Screen::WHITE_BLACK, "Channels");
   switch (second_column_) {
     case SecondColumnType::MessageType:
@@ -186,19 +176,20 @@ void CybertronTopologyMessage::Render(const Screen* s, int key) {
       break;
   }
 
-  // display concrete channel info
-  Screen::ColorPair color;
-  std::ostringstream outStr;
-
   auto iter = all_channels_map_.cbegin();
-  const int skip_item_count = page_index_ * page_item_count_;
-  for (int i = 0; i < skip_item_count; ++i) {
+  register int tmp = page_index_ * page_item_count_;
+  register int line = 0;
+  while (line < tmp) {
     ++iter;
+    ++line;
   }
 
-  int y = 1;  // start line index
-  const int end_y = s->Height();
-  for (; iter != all_channels_map_.cend() && y < end_y; ++iter, ++y) {
+  Screen::ColorPair color;
+  std::ostringstream outStr;
+
+  tmp = page_item_count_ + 1;
+  for (line = 1; iter != all_channels_map_.cend() && line < tmp;
+       ++iter, ++line) {
     color = Screen::RED_BLACK;
 
     if (!ChannelMessage::isErrorCode(iter->second)) {
@@ -212,27 +203,28 @@ void CybertronTopologyMessage::Render(const Screen* s, int key) {
     }
 
     s->SetCurrentColor(color);
-    s->AddStr(0, y, iter->first.c_str());
+    s->AddStr(0, line, iter->first.c_str());
 
     if (!ChannelMessage::isErrorCode(iter->second)) {
       switch (second_column_) {
         case SecondColumnType::MessageType:
-          s->AddStr(col1_width_ + SecondColumnOffset, y,
+          s->AddStr(col1_width_ + SecondColumnOffset, line,
                     iter->second->message_type().c_str());
           break;
         case SecondColumnType::MessageFrameRatio: {
           outStr.str("");
           outStr << std::fixed << std::setprecision(2)
                  << iter->second->frame_ratio();
-          s->AddStr(col1_width_ + SecondColumnOffset, y, outStr.str().c_str());
+          s->AddStr(col1_width_ + SecondColumnOffset, line,
+                    outStr.str().c_str());
         } break;
       }
     } else {
       ChannelMessage::ErrorCode errcode =
           ChannelMessage::castPtr2ErrorCode(iter->second);
-      s->AddStr(col1_width_ + SecondColumnOffset, y,
+      s->AddStr(col1_width_ + SecondColumnOffset, line,
                 ChannelMessage::errCode2Str(errcode));
     }
-    s->ClearCurrentColor(color);
+    s->ClearCurrentColor();
   }
 }
diff --git a/framework/cybertron/tools/cvt/monitor/cybertron_topology_message.h b/framework/cybertron/tools/cvt/monitor/cybertron_topology_message.h
index 1006eb0bcae9b863c1bfecb72c6de1ec2c1cd1fa..ba2369548cd472e9df9b05e35a84caecb5fb121c 100644
--- a/framework/cybertron/tools/cvt/monitor/cybertron_topology_message.h
+++ b/framework/cybertron/tools/cvt/monitor/cybertron_topology_message.h
@@ -18,6 +18,7 @@
 #define TOOLS_CVT_MONITOR_CYBERTRON_TOPOLOGY_MESSAGE_H_
 
 #include <map>
+#include <string>
 #include "renderable_message.h"
 
 namespace apollo {
@@ -33,7 +34,7 @@ class ChannelMessage;
 
 class CybertronTopologyMessage : public RenderableMessage {
  public:
-  explicit CybertronTopologyMessage();
+  explicit CybertronTopologyMessage(const std::string& channel);
   ~CybertronTopologyMessage();
 
   void Render(const Screen* s, int key) override;
@@ -42,14 +43,16 @@ class CybertronTopologyMessage : public RenderableMessage {
   void TopologyChanged(const apollo::cybertron::proto::ChangeMsg& change_msg);
 
  private:
+  CybertronTopologyMessage(const CybertronTopologyMessage&) = delete;
+  CybertronTopologyMessage& operator = (const CybertronTopologyMessage&) = delete;
+
   void ChangeState(const Screen* s, int key);
 
   enum class SecondColumnType { MessageType, MessageFrameRatio };
   SecondColumnType second_column_;
 
-  int page_item_count_;
   int col1_width_; 
-
+  const std::string& specified_channel_;
   std::map<std::string, ChannelMessage*> all_channels_map_;
 };
 
diff --git a/framework/cybertron/tools/cvt/monitor/general_channel_message.cpp b/framework/cybertron/tools/cvt/monitor/general_channel_message.cpp
index a3160b9fd2caa9c259260ffb475d4cbbda20ac40..68c693bac664f4bd651023dbb9282475434b6dc1 100644
--- a/framework/cybertron/tools/cvt/monitor/general_channel_message.cpp
+++ b/framework/cybertron/tools/cvt/monitor/general_channel_message.cpp
@@ -55,7 +55,7 @@ void GeneralChannelMessage::Render(const Screen* s, int key) {
   s->AddStr(0, lineNo++, "MessageType: ");
   s->AddStr(message_type().c_str());
 
-  if(is_enabled()) {
+  if (is_enabled()) {
     switch (current_state_) {
       case State::ShowDebugString:
         RenderDebugString(s, key, lineNo);
@@ -67,23 +67,23 @@ void GeneralChannelMessage::Render(const Screen* s, int key) {
   } else {
     s->AddStr(0, lineNo++, "Channel has been closed");
   }
-  s->ClearCurrentColor(Screen::WHITE_BLACK);
+  s->ClearCurrentColor();
 }
 
-void GeneralChannelMessage::RenderInfo(const Screen* s, int key, unsigned lineNo) {
-  int pageItemCount = s->Height() - lineNo;
-  pages_ = (readers_.size() + writers_.size() + lineNo) /
-               pageItemCount +
-           1;
+void GeneralChannelMessage::RenderInfo(const Screen* s, int key,
+                                       unsigned lineNo) {
+  page_item_count_ = s->Height() - lineNo;
+  pages_ = (readers_.size() + writers_.size() + lineNo) / page_item_count_ + 1;
   SplitPages(key);
 
   bool hasReader = true;
   std::vector<std::string>* vec = &readers_;
 
   auto iter = vec->cbegin();
-  int y = page_index_ * pageItemCount;
+  int y = page_index_ * page_item_count_;
   if (y < vec->size()) {
-    while (y < page_index_ * pageItemCount) {
+    y = 0;
+    while (y < page_index_ * page_item_count_) {
       ++iter;
       ++y;
     }
@@ -117,7 +117,7 @@ void GeneralChannelMessage::RenderInfo(const Screen* s, int key, unsigned lineNo
 }
 
 void GeneralChannelMessage::RenderDebugString(const Screen* s, int key,
-                                       unsigned lineNo) {
+                                              unsigned lineNo) {
   if (has_message_come()) {
     if (raw_msg_class_ == nullptr) {
       auto rawFactory = apollo::cybertron::message::ProtobufFactory::Instance();
@@ -132,17 +132,19 @@ void GeneralChannelMessage::RenderDebugString(const Screen* s, int key,
       std::ostringstream outStr;
       outStr << std::fixed << std::setprecision(2) << frame_ratio();
       s->AddStr(outStr.str().c_str());
-      
+
       decltype(channel_message_) channelMsg = CopyMsgPtr();
 
       if (raw_msg_class_->ParseFromString(channelMsg->message)) {
-        int lcount =
-            lineCount(*raw_msg_class_, s->Width());
-        int pageItemCount = s->Height() - lineNo;
-        pages_ = lcount / pageItemCount + 1;
+        int lcount = lineCount(*raw_msg_class_, s->Width());
+        page_item_count_ = s->Height() - lineNo;
+        pages_ = lcount / page_item_count_ + 1;
         SplitPages(key);
-        GeneralMessageBase::PrintMessage(this, *raw_msg_class_, s, lineNo, 0,
-                     page_index_ * pageItemCount);
+        int jumpLines = page_index_ * page_item_count_;
+        if(jumpLines){
+          jumpLines -= (jumpLines/4);
+        } 
+        GeneralMessageBase::PrintMessage(this, *raw_msg_class_, jumpLines, s, lineNo, 0);
       } else {
         s->AddStr(0, lineNo++, "Cannot parse the raw message");
       }
diff --git a/framework/cybertron/tools/cvt/monitor/general_channel_message.h b/framework/cybertron/tools/cvt/monitor/general_channel_message.h
index 583a0f0e3064bd24e8d2f9d76f72f236f928d6eb..c68199edee4807c7390729f9114dc702daa23a31 100644
--- a/framework/cybertron/tools/cvt/monitor/general_channel_message.h
+++ b/framework/cybertron/tools/cvt/monitor/general_channel_message.h
@@ -54,8 +54,6 @@ class GeneralChannelMessage
   
   enum class State { ShowDebugString, ShowInfo } current_state_;
 
-  // int pages_;
-  // int page_index_;
   google::protobuf::Message* raw_msg_class_;
 
   friend class RepeatedItemsMessage;
diff --git a/framework/cybertron/tools/cvt/monitor/general_message.cpp b/framework/cybertron/tools/cvt/monitor/general_message.cpp
index 511de3a0f48a5bbaacc664f5463f62356e3a7780..9e5357fe5a666da3cf5e00a0f505f82dc0218cfe 100644
--- a/framework/cybertron/tools/cvt/monitor/general_message.cpp
+++ b/framework/cybertron/tools/cvt/monitor/general_message.cpp
@@ -18,86 +18,18 @@
 #include "general_channel_message.h"
 #include "screen.h"
 
+#include <iomanip>
 #include <sstream>
 
+namespace {
+constexpr int INT_FLOAT_PRECISION = 6;
+constexpr int DOULBE_PRECISION = 9;
+}  // namespace
+
 RenderableMessage* GeneralMessage::Child(int lineNo) const {
   return GeneralMessageBase::Child(lineNo);
 }
 
-void GeneralMessage::PrintRepeatedField(const Screen* s, unsigned& lineNo,
-                                        int indent, int index, int jumpLines) {
-  std::ostringstream outStr;
-  std::ios_base::fmtflags old_flags;
-  const std::string& fieldName = field_->name();
-  outStr << fieldName << ": ";
-
-  if (field_->is_repeated()) {
-    outStr << "[" << index << "] ";
-  }
-
-  switch (field_->cpp_type()) {
-#define OUTPUT_FIELD(CPPTYPE, METHOD, PRECISION)                             \
-  case google::protobuf::FieldDescriptor::CPPTYPE_##CPPTYPE:                 \
-    old_flags = outStr.flags();                                              \
-    outStr << std::fixed << std::setprecision(PRECISION)                     \
-           << field_->is_repeated()                                          \
-        ? reflection_ptr_->GetRepeated##METHOD(*message_ptr_, field_, index) \
-        : reflection_ptr_->Get##METHOD(*message_ptr_, field_);               \
-    outStr.flags(old_flags);                                                 \
-    break
-
-    OUTPUT_FIELD(INT32, Int32, 6);
-    OUTPUT_FIELD(INT64, Int64, 6);
-    OUTPUT_FIELD(UINT32, UInt32, 6);
-    OUTPUT_FIELD(UINT64, UInt64, 6);
-    OUTPUT_FIELD(FLOAT, Float, 6);
-    OUTPUT_FIELD(DOUBLE, Double, 9);
-    OUTPUT_FIELD(BOOL, Bool, 6);
-#undef OUTPUT_FIELD
-
-    case google::protobuf::FieldDescriptor::CPPTYPE_STRING: {
-      std::string scratch;
-      const std::string& value =
-          field_->is_repeated()
-              ? reflection_ptr_->GetRepeatedStringReference(
-                    *message_ptr_, field_, index, &scratch)
-              : reflection_ptr_->GetStringReference(*message_ptr_, field_,
-                                                    &scratch);
-      outStr << value.substr(jumpLines);
-      break;
-    }
-
-    case google::protobuf::FieldDescriptor::CPPTYPE_ENUM: {
-      int enum_value =
-          field_->is_repeated()
-              ? reflection_ptr_->GetRepeatedEnumValue(*message_ptr_, field_,
-                                                      index)
-              : reflection_ptr_->GetEnumValue(*message_ptr_, field_);
-      const google::protobuf::EnumValueDescriptor* enum_desc =
-          field_->enum_type()->FindValueByNumber(enum_value);
-      if (enum_desc != nullptr) {
-        outStr << enum_desc->name();
-      } else {
-        outStr << enum_value;
-      }
-      break;
-    }
-
-    case google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE:
-      s->AddStr(indent, lineNo++, outStr.str().c_str());
-      GeneralMessageBase::PrintMessage(
-          this, field_->is_repeated()
-                    ? reflection_ptr_->GetRepeatedMessage(*message_ptr_, field_,
-                                                          index)
-                    : reflection_ptr_->GetMessage(*message_ptr_, field_),
-          s, lineNo, indent + 2, jumpLines + 1);
-      outStr.str("");
-      break;
-  }
-
-  s->AddStr(indent, lineNo++, outStr.str().c_str());
-}
-
 GeneralMessage::GeneralMessage(GeneralMessageBase* parent,
                                const google::protobuf::Message* msg,
                                const google::protobuf::Reflection* reflection,
@@ -163,13 +95,15 @@ void GeneralMessage::Render(const Screen* s, int key) {
 
       int lcount =
           lineCountOfField(*message_ptr_, s->Width(), field_, reflection_ptr_);
-      int pageItemCount = s->Height() - lineNo;
-      pages_ = lcount / pageItemCount + 1;
+      page_item_count_ = s->Height() - lineNo;
+      pages_ = lcount / page_item_count_ + 1;
       SplitPages(key);
 
-      PrintRepeatedField(s, lineNo, 0, itemIndex_, page_index_ * pageItemCount);
+      int jumpLines = page_index_ * page_item_count_;
+      // PrintRepeatedField(s, lineNo, 0, itemIndex_, jumpLines);
+      GeneralMessageBase::PrintField(this, *message_ptr_, jumpLines, s, lineNo, 0, reflection_ptr_, field_, itemIndex_);
     }
   }
 
-  s->ClearCurrentColor(Screen::WHITE_BLACK);
+  s->ClearCurrentColor();
 }
diff --git a/framework/cybertron/tools/cvt/monitor/general_message.h b/framework/cybertron/tools/cvt/monitor/general_message.h
index e8802fcb47bd63c4f816a408d7e4da225d080ce9..8a8c7c9ee58f53df855a724feb93c9478585cd91 100644
--- a/framework/cybertron/tools/cvt/monitor/general_message.h
+++ b/framework/cybertron/tools/cvt/monitor/general_message.h
@@ -44,8 +44,8 @@ class GeneralMessage : public GeneralMessageBase {
   GeneralMessage(const GeneralMessage&) = delete;
   GeneralMessage& operator=(const GeneralMessage&) = delete;
 
-  void PrintRepeatedField(const Screen* s, unsigned& lineNo, int indent,
-                          int index, int jumpLines);
+  // void PrintRepeatedField(const Screen* s, unsigned& lineNo, int indent,
+  //                         int index, int& jumpLines);
 
   int itemIndex_;
 
diff --git a/framework/cybertron/tools/cvt/monitor/general_message_base.cpp b/framework/cybertron/tools/cvt/monitor/general_message_base.cpp
index 54e1c9ce148203077807185da442b4290b25c1eb..a07eaa1a0b75f7ca95511f7a86771055f994f053 100644
--- a/framework/cybertron/tools/cvt/monitor/general_message_base.cpp
+++ b/framework/cybertron/tools/cvt/monitor/general_message_base.cpp
@@ -21,6 +21,11 @@
 
 #include <iomanip>
 
+namespace {
+constexpr int INT_FLOAT_PRECISION = 6;
+constexpr int DOULBE_PRECISION = 9;
+}  // namespace
+
 int GeneralMessageBase::lineCount(const google::protobuf::Message& msg,
                                   int screenWidth) {
   const google::protobuf::Reflection* reflection = msg.GetReflection();
@@ -60,7 +65,7 @@ int GeneralMessageBase::lineCountOfField(
       case google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE:
         const google::protobuf::Message& childMsg =
             reflection->GetMessage(msg, field);
-        ret += lineCount(childMsg, screenWidth) + 1;
+        ret += lineCount(childMsg, screenWidth);
         break;
 
     }  // end switch
@@ -71,8 +76,8 @@ int GeneralMessageBase::lineCountOfField(
 
 void GeneralMessageBase::PrintMessage(GeneralMessageBase* baseMsg,
                                       const google::protobuf::Message& msg,
-                                      const Screen* s, unsigned& lineNo,
-                                      int indent, int jumpLines) {
+                                      int& jumpLines, const Screen* s,
+                                      unsigned& lineNo, int indent) {
   const google::protobuf::Reflection* reflection = msg.GetReflection();
   const google::protobuf::Descriptor* descriptor = msg.GetDescriptor();
   std::vector<const google::protobuf::FieldDescriptor*> fields;
@@ -83,108 +88,144 @@ void GeneralMessageBase::PrintMessage(GeneralMessageBase* baseMsg,
     reflection->ListFields(msg, &fields);
   }
 
-  int i = 0;
-  // jump lines
-  for (; i < fields.size() && jumpLines > 1; ++i) {
+  for (int i = 0; i < fields.size(); ++i) {
+    bool isWriten = false;
     const google::protobuf::FieldDescriptor* field = fields[i];
-    --jumpLines;
-
-    if (!field->is_repeated()) {
-      switch (field->cpp_type()) {
-        case google::protobuf::FieldDescriptor::CPPTYPE_STRING: {
-          std::string scratch;
-          const std::string& value =
-              reflection->GetStringReference(msg, field, &scratch);
-          jumpLines -= value.size() / s->Width();
-          break;
+    if (field->is_repeated()) {
+      if (jumpLines) {
+        --jumpLines;
+      } else {
+        std::ostringstream outStr;
+        const std::string& fieldName = field->name();
+        outStr << fieldName << ": ";
+        outStr << "+[" << reflection->FieldSize(msg, field) << " items ]";
+        GeneralMessage* item =
+            new GeneralMessage(baseMsg, &msg, reflection, field);
+
+        if (item) {
+          baseMsg->insertRepeatedMessage(lineNo, item);
         }
+        s->AddStr(indent, lineNo++, outStr.str().c_str());
+      }
+    } else {
+      PrintField(baseMsg, msg, jumpLines, s, lineNo, indent, reflection, field,
+                 -1);
+    }  // end else
+  }    // end for
 
-        case google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE:
-          jumpLines -=
-              lineCount(reflection->GetMessage(msg, field), s->Width());
-          break;
-      }  // end switch
-    }
+  const google::protobuf::UnknownFieldSet& unknown_fields =
+      reflection->GetUnknownFields(msg);
+  if (!unknown_fields.empty()) {
+    Screen::ColorPair c = s->Color();
+    s->ClearCurrentColor();
+    s->SetCurrentColor(Screen::RED_BLACK);
+    s->AddStr(indent, lineNo++, "Have Unknown Fields");
+    s->ClearCurrentColor();
+    s->SetCurrentColor(c);
   }
+}
 
+void GeneralMessageBase::PrintField(
+    GeneralMessageBase* baseMsg, const google::protobuf::Message& msg,
+    int& jumpLines, const Screen* s, unsigned& lineNo, int indent,
+    const google::protobuf::Reflection* ref,
+    const google::protobuf::FieldDescriptor* field, int index) {
   std::ostringstream outStr;
   std::ios_base::fmtflags old_flags;
-  for (; i < fields.size(); ++i) {
-    const google::protobuf::FieldDescriptor* field = fields[i];
-    const std::string& fieldName = field->name();
-    outStr << fieldName << ": ";
-    if (field->is_repeated()) {
-      outStr << "+[" << reflection->FieldSize(msg, field) << " items]";
-
-      GeneralMessage* item =
-          new GeneralMessage(baseMsg, &msg, reflection, field);
-
-      if (item) {
-        baseMsg->insertRepeatedMessage(lineNo, item);
-      }
 
-    } else {
-      switch (field->cpp_type()) {
-#define OUTPUT_FIELD(CPPTYPE, METHOD, PRECISION)             \
-  case google::protobuf::FieldDescriptor::CPPTYPE_##CPPTYPE: \
-    old_flags = outStr.flags();                              \
-    outStr << std::fixed << std::setprecision(PRECISION)     \
-           << reflection->Get##METHOD(msg, field);           \
-    outStr.flags(old_flags);                                 \
+  switch (field->cpp_type()) {
+#define OUTPUT_FIELD(CPPTYPE, METHOD, PRECISION)                   \
+  case google::protobuf::FieldDescriptor::CPPTYPE_##CPPTYPE:       \
+    if (jumpLines) {                                               \
+      --jumpLines;                                                 \
+    } else {                                                       \
+      const std::string& fieldName = field->name();                \
+      outStr << fieldName << ": ";                                 \
+      if (field->is_repeated()) {                                  \
+        outStr << "[" << index << "] ";                            \
+      }                                                            \
+      old_flags = outStr.flags();                                  \
+      outStr << std::fixed << std::setprecision(PRECISION)         \
+             << (field->is_repeated()                              \
+                     ? ref->GetRepeated##METHOD(msg, field, index) \
+                     : ref->Get##METHOD(msg, field));              \
+      outStr.flags(old_flags);                                     \
+      s->AddStr(indent, lineNo++, outStr.str().c_str());           \
+    }                                                              \
     break
 
-        OUTPUT_FIELD(INT32, Int32, 6);
-        OUTPUT_FIELD(INT64, Int64, 6);
-        OUTPUT_FIELD(UINT32, UInt32, 6);
-        OUTPUT_FIELD(UINT64, UInt64, 6);
-        OUTPUT_FIELD(FLOAT, Float, 6);
-        OUTPUT_FIELD(DOUBLE, Double, 9);
-        OUTPUT_FIELD(BOOL, Bool, 6);
+    OUTPUT_FIELD(INT32, Int32, INT_FLOAT_PRECISION);
+    OUTPUT_FIELD(INT64, Int64, INT_FLOAT_PRECISION);
+    OUTPUT_FIELD(UINT32, UInt32, INT_FLOAT_PRECISION);
+    OUTPUT_FIELD(UINT64, UInt64, INT_FLOAT_PRECISION);
+    OUTPUT_FIELD(FLOAT, Float, INT_FLOAT_PRECISION);
+    OUTPUT_FIELD(DOUBLE, Double, DOULBE_PRECISION);
+    OUTPUT_FIELD(BOOL, Bool, INT_FLOAT_PRECISION);
 #undef OUTPUT_FIELD
 
-        case google::protobuf::FieldDescriptor::CPPTYPE_ENUM: {
-          int enum_value = reflection->GetEnumValue(msg, field);
-
-          const google::protobuf::EnumValueDescriptor* enum_desc =
-              field->enum_type()->FindValueByNumber(enum_value);
-          if (enum_desc != nullptr) {
-            outStr << enum_desc->name();
-          } else {
-            outStr << enum_value;
-          }
-          break;
+    case google::protobuf::FieldDescriptor::CPPTYPE_STRING: {
+      std::string scratch;
+      const std::string& value =
+          field->is_repeated()
+              ? ref->GetRepeatedStringReference(msg, field, index, &scratch)
+              : ref->GetStringReference(msg, field, &scratch);
+      int lines = value.size() / s->Width() + 1;
+      if (lines > jumpLines) {
+        const std::string& fieldName = field->name();
+        outStr << fieldName << ": ";
+        if (field->is_repeated()) {
+          outStr << "[" << index << "] ";
         }
+        outStr << value.substr(jumpLines * s->Width());
+        s->AddStr(indent, lineNo, outStr.str().c_str());
+        lineNo += (lines - jumpLines);
+        jumpLines = 0;
 
-        case google::protobuf::FieldDescriptor::CPPTYPE_STRING: {
-          std::string scratch;
-          const std::string& value =
-              reflection->GetStringReference(msg, field, &scratch);
-          outStr << value;
-          break;
-        }
+      } else {
+        jumpLines -= lines;
+      }
+      break;
+    }
 
-        case google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE:
-          s->AddStr(indent, lineNo++, outStr.str().c_str());
-          PrintMessage(baseMsg, reflection->GetMessage(msg, field), s, lineNo,
-                       indent + 2);
-          outStr.str("");
-          break;
-      }  // end switch
-    }    // end else
-
-    s->AddStr(indent, lineNo++, outStr.str().c_str());
-    outStr.str("");
-  }  // end for
+    case google::protobuf::FieldDescriptor::CPPTYPE_ENUM: {
+      if (jumpLines) {
+        --jumpLines;
+      } else {
+        const std::string& fieldName = field->name();
+        outStr << fieldName << ": ";
+        if (field->is_repeated()) {
+          outStr << "[" << index << "] ";
+        }
+        int enum_value = field->is_repeated()
+                             ? ref->GetRepeatedEnumValue(msg, field, index)
+                             : ref->GetEnumValue(msg, field);
+        const google::protobuf::EnumValueDescriptor* enum_desc =
+            field->enum_type()->FindValueByNumber(enum_value);
+        if (enum_desc != nullptr) {
+          outStr << enum_desc->name();
+        } else {
+          outStr << enum_value;
+        }
+        s->AddStr(indent, lineNo++, outStr.str().c_str());
+      }
+      break;
+    }
 
-  const google::protobuf::UnknownFieldSet& unknown_fields =
-      reflection->GetUnknownFields(msg);
-  if (!unknown_fields.empty()) {
-    Screen::ColorPair c = s->Color();
-    s->ClearCurrentColor(c);
-    s->SetCurrentColor(Screen::RED_BLACK);
-    s->AddStr(indent, lineNo++, "Have Unknown Fields");
-    s->ClearCurrentColor(Screen::RED_BLACK);
-    s->SetCurrentColor(c);
+    case google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE:
+      if (!jumpLines) {
+        const std::string& fieldName = field->name();
+        outStr << fieldName << ": ";
+        if (field->is_repeated()) {
+          outStr << "[" << index << "] ";
+        }
+        s->AddStr(indent, lineNo++, outStr.str().c_str());
+      }
+      GeneralMessageBase::PrintMessage(
+          baseMsg,
+          field->is_repeated() ? ref->GetRepeatedMessage(msg, field, index)
+                               : ref->GetMessage(msg, field),
+          jumpLines, s, lineNo, indent + 2);
+      break;
   }
 }
 
diff --git a/framework/cybertron/tools/cvt/monitor/general_message_base.h b/framework/cybertron/tools/cvt/monitor/general_message_base.h
index d0bd2b185fa7262eef18316adf70c032342248ec..4b12f200d7def405921b19b7a2b320c806ca49cc 100644
--- a/framework/cybertron/tools/cvt/monitor/general_message_base.h
+++ b/framework/cybertron/tools/cvt/monitor/general_message_base.h
@@ -26,9 +26,13 @@ class GeneralMessageBase : public RenderableMessage {
  protected:
   enum { Type = 0 };
   static void PrintMessage(GeneralMessageBase* baseMsg,
-                           const google::protobuf::Message& msg,
-                           const Screen* s, unsigned& lineNo, int indent,
-                           int jumpLines = 0);
+                           const google::protobuf::Message& msg, int& jumpLines,
+                           const Screen* s, unsigned& lineNo, int indent);
+  static void PrintField(GeneralMessageBase* baseMsg,
+                         const google::protobuf::Message& msg, int& jumpLines,
+                         const Screen* s, unsigned& lineNo, int indent,
+                         const google::protobuf::Reflection* ref, const google::protobuf::FieldDescriptor* field,
+                         int index);
 
   static int lineCount(const google::protobuf::Message& msg, int screenWidth);
   static int lineCountOfField(const google::protobuf::Message& msg,
diff --git a/framework/cybertron/tools/cvt/monitor/main.cpp b/framework/cybertron/tools/cvt/monitor/main.cpp
index 1749c9c0599106b887291d70738476a32f2ed223..f372acfdcf6680a724675802a84aa973417e472b 100644
--- a/framework/cybertron/tools/cvt/monitor/main.cpp
+++ b/framework/cybertron/tools/cvt/monitor/main.cpp
@@ -31,23 +31,56 @@ void SigResizeHandle(int) { Screen::Instance()->Resize(); }
 
 void printHelp(const char* cmdName) {
   std::cout << "Usage:\n"
-            << cmdName << "  run this tool\n"
+            << cmdName << "  [option]\nOption:\n"
             << "   -h print help info\n"
-            << "\nInteractive Command:\n"
+            << "   -c specify one channel\n"
+            << "Interactive Command:\n"
             << Screen::InteractiveCmdStr << std::endl;
 }
+
+enum COMMAND {
+  TOO_MANY_PARAMETER,
+  HELP, // 2
+  NO_OPTION, // 1
+  CHANNEL // 3 -> 4
+};
+
+COMMAND parseOption(int argc,  char* const argv[], std::string& commandVal){
+  if(argc > 4) return TOO_MANY_PARAMETER;
+  int index = 1;
+  while(true) {
+    const char* opt = argv[index];
+    if(opt == nullptr) break;
+    if(strcmp(opt, "-h") == 0) return HELP;
+    if(strcmp(opt, "-c") == 0) {
+      if(argv[index + 1]){
+        commandVal = argv[index + 1];
+        return CHANNEL;
+      }
+    }
+
+    ++index;
+  }
+
+  return NO_OPTION;
+}
+
+
 }  // namespace
 
 int main(int argc, char* argv[]) {
-  if (argc > 2) {
-    std::cout << "Too many parameters\n";
-    printHelp(argv[0]);
-    return 0;
-  } else if (argc == 2) {
-    if (strcmp(argv[1], "-h") == 0) {
+  std::string val;
+
+  COMMAND com = parseOption(argc, argv, val);
+
+  switch(com){
+    case TOO_MANY_PARAMETER:
+      std::cout << "Too many paramtes\n";
+    case HELP:
       printHelp(argv[0]);
       return 0;
-    }
+    
+    default:;
   }
 
   apollo::cybertron::Init(argv[0]);
@@ -60,7 +93,7 @@ int main(int argc, char* argv[]) {
                           GeneralChannelMessage::Instance);
   f->SetDefaultChildFactory("apollo::cybertron::message::RawMessage");
 
-  CybertronTopologyMessage topologyMsg;
+  CybertronTopologyMessage topologyMsg(val);
 
   auto topologyCallback =
       [&topologyMsg](const apollo::cybertron::proto::ChangeMsg& change_msg) {
diff --git a/framework/cybertron/tools/cvt/monitor/renderable_message.h b/framework/cybertron/tools/cvt/monitor/renderable_message.h
index 07614ea452eb7cd87263c745cb9c56c3c7704b1b..d4c400f61ae77ec97a35754480ee4ea8f5931acd 100644
--- a/framework/cybertron/tools/cvt/monitor/renderable_message.h
+++ b/framework/cybertron/tools/cvt/monitor/renderable_message.h
@@ -40,7 +40,7 @@ class Screen;
 class RenderableMessage {
  public:
   explicit RenderableMessage(RenderableMessage* parent = nullptr, int lineNo = 0)
-      : line_no_(lineNo), pages_(1), page_index_(0), parent_(parent) {}
+      : line_no_(lineNo), pages_(1), page_index_(0), page_item_count_(24), parent_(parent) {}
 
   virtual ~RenderableMessage() { parent_ = nullptr; }
 
@@ -55,6 +55,8 @@ class RenderableMessage {
   }
 
   virtual RenderableMessage* Child(int /* lineNo */) const { return nullptr; }
+
+  int page_item_count(void)const{ return page_item_count_; }
   
  protected:
   int* line_no(void) {  return &line_no_; }
@@ -65,6 +67,7 @@ class RenderableMessage {
   int line_no_;
   int pages_;
   int page_index_;
+  int page_item_count_;
   RenderableMessage* parent_;
 
   friend class Screen;
diff --git a/framework/cybertron/tools/cvt/monitor/screen.cpp b/framework/cybertron/tools/cvt/monitor/screen.cpp
index 7595cd94b6c5e2379f1e74412d3da12a772b1354..3e79adb93cf5a437806b74823a0d3a8eca105211 100644
--- a/framework/cybertron/tools/cvt/monitor/screen.cpp
+++ b/framework/cybertron/tools/cvt/monitor/screen.cpp
@@ -111,6 +111,7 @@ int Screen::Width(void) const { return COLS; }
 int Screen::Height(void) const { return LINES; }
 
 void Screen::SetCurrentColor(ColorPair color) const {
+  if(color == INVALID) return;
   if (IsInit()) {
     current_color_pair_ = color;
     attron(COLOR_PAIR(color));
@@ -128,9 +129,9 @@ void Screen::AddStr(const char* str) const {
   }
 }
 
-void Screen::ClearCurrentColor(ColorPair color) const {
+void Screen::ClearCurrentColor(void) const {
   if (IsInit()) {
-    attroff(COLOR_PAIR(color));
+    attroff(COLOR_PAIR(current_color_pair_));
     current_color_pair_ = INVALID;
   }
 }
@@ -159,14 +160,14 @@ void Screen::HighlightLine(int lineNo) {
       ch &= A_CHARTEXT;
       if (ch == ' ') mvaddch(lineNo + highlight_direction_, x, ch);
     }
-    ClearCurrentColor(WHITE_BLACK);
+    ClearCurrentColor();
 
     SetCurrentColor(BLACK_WHITE);
     for (int x = 0; x < Width(); ++x) {
       int ch = mvinch(lineNo, x);
       mvaddch(lineNo, x, ch & A_CHARTEXT);
     }
-    ClearCurrentColor(BLACK_WHITE);
+    ClearCurrentColor();
   }
 }
 
@@ -296,5 +297,5 @@ void Screen::ShowInteractiveCmd(int) {
     ptr = sub + 1;
   }
 
-  ClearCurrentColor(Screen::WHITE_BLACK);
+  ClearCurrentColor();
 }
diff --git a/framework/cybertron/tools/cvt/monitor/screen.h b/framework/cybertron/tools/cvt/monitor/screen.h
index cac778ca2d4c7bdd149ea4fd562b4a8294a1bf7b..0b949195648e29baf4c2b6042c4957dfe8202dd4 100644
--- a/framework/cybertron/tools/cvt/monitor/screen.h
+++ b/framework/cybertron/tools/cvt/monitor/screen.h
@@ -57,7 +57,7 @@ class Screen final {
   void AddStr(int x, int y, const char* str) const;
   void AddStr(const char* str) const;
   void MoveOffsetXY(int offsetX, int offsetY) const;
-  void ClearCurrentColor(ColorPair color) const;
+  void ClearCurrentColor(void) const;
 
   void SetCurrentRenderMessage(RenderableMessage* const renderObj) {
     if (renderObj) {
diff --git a/modules/tools/visualizer/channel_reader.h b/modules/tools/visualizer/channel_reader.h
index 098c7bb277fe4d841b4179631da990408fb32259..44230dc4bb128aeaf3c9aa8a0d0afda8b35aeb80 100644
--- a/modules/tools/visualizer/channel_reader.h
+++ b/modules/tools/visualizer/channel_reader.h
@@ -47,34 +47,34 @@ class CyberChannReader : public QThread {
     }
   }
 
+  bool InstallCallbackAndOpen(CyberChannelCallback<T> channelCallback,
+                              const std::string& channelName, const std::string& nodeName) {
+
+    return InstallCallback(channelCallback) && OpenChannel(channelName, nodeName);
+  }
+
   bool InstallCallback(CyberChannelCallback<T> channelCallback) {
     if (channelCallback != nullptr) {
       channel_callback_ = channelCallback;
       return true;
     } else {
+      std::cerr << "Parameter readerCallback is null" << std::endl;
       return false;
     }
   }
 
-  bool InstallCallbackAndOpen(CyberChannelCallback<T> channelCallback,
-                              const std::string& channelName) {
-    if (channelCallback == nullptr || channelName.empty()) {
-      std::cout << "Parameter readerCallback is null" << std::endl;
+  bool OpenChannel(const std::string& channelName, const std::string& nodeName) {
+    if(channelName.empty() || nodeName.empty()){
+      std::cerr << "Channel Name or Node Name must be not empty" << std::endl;
       return false;
     }
 
-    channel_callback_ = channelCallback;
-
-    return OpenChannel(channelName);
-  }
-
-  bool OpenChannel(const std::string& channelName) {
     if (channel_node_ != nullptr || channel_reader_ != nullptr ||
         !channel_callback_) {
       return false;
     }
 
-    return CreateChannel(channelName);
+    return CreateChannel(channelName, nodeName);
   }
 
   const std::string& NodeName(void) const { return channel_node_->Name(); }
@@ -87,9 +87,9 @@ class CyberChannReader : public QThread {
   void run() override { apollo::cybertron::WaitForShutdown(); }
 
  private:
-  bool CreateChannel(const std::string& channelName) {
+  bool CreateChannel(const std::string& channelName, const std::string& nodeName) {
     if (channel_node_ == nullptr) {
-      channel_node_ = apollo::cybertron::CreateNode("CyberChannReader");
+      channel_node_ = apollo::cybertron::CreateNode(nodeName);
       if (channel_node_ == nullptr) {
         return false;
       }
diff --git a/modules/tools/visualizer/main_window.cc b/modules/tools/visualizer/main_window.cc
index d7d160e7822d6236a6671c38c38b1d68d09d2539..b5bb4978c29e5d1a7e01143af792e9abfdec7cc6 100644
--- a/modules/tools/visualizer/main_window.cc
+++ b/modules/tools/visualizer/main_window.cc
@@ -653,10 +653,11 @@ void MainWindow::PlayRenderableObject(bool b) {
           [this](const std::shared_ptr<apollo::drivers::PointCloud>& pdata) {
             this->PointCloudReaderCallback(pdata);
           };
-
+      std::string nodeName("Visualizer-");
+      nodeName.append(pointcloud_top_item_->text(0).toStdString());
       if (!pointcloud_channel_Reader_->InstallCallbackAndOpen(
-              pointCallback,
-              pointcloud_comboBox_->currentText().toStdString())) {
+              pointCallback, pointcloud_comboBox_->currentText().toStdString(),
+              nodeName)) {
         QMessageBox::warning(
             this, tr("Settup Channel Callback"),
             tr("Channel Callback cannot be installed!!!\nPlease check it!"),
@@ -704,8 +705,9 @@ void MainWindow::ImageReaderCallback(
                 << std::endl;
     }
   } else {
-    std::cerr << "----Dynamic Texture is nullptr or apollo.drivers.Image is nullptr"
-              << std::endl;
+    std::cerr
+        << "----Dynamic Texture is nullptr or apollo.drivers.Image is nullptr"
+        << std::endl;
   }
   theVideoImgProxy->reader_mutex_.unlock();
 }
@@ -746,9 +748,12 @@ void MainWindow::DoPlayVideoImage(bool b, VideoImgProxy* theVideoImg) {
             this->ImageReaderCallback(pdata, theVideoImg);
           };
 
+      std::string nodeName("Visualizer-");
+      nodeName.append(theVideoImg->root_item_.text(0).toStdString());
       if (!theVideoImg->channel_reader_->InstallCallbackAndOpen(
-              videoCallback, theVideoImg->channel_name_combobox_.currentText()
-                                 .toStdString())) {
+              videoCallback,
+              theVideoImg->channel_name_combobox_.currentText().toStdString(),
+              nodeName)) {
         QMessageBox::warning(
             this, tr("Settup Channel Callback"),
             tr("Channel Callback cannot be installed!!!\nPlease check it!"),
@@ -787,8 +792,10 @@ void MainWindow::DoPlayVideoImage(bool b, VideoImgProxy* theVideoImg) {
 void MainWindow::ChangePointCloudChannel() {
   if (pointcloud_channel_Reader_ != nullptr) {
     pointcloud_channel_Reader_->CloseChannel();
+    std::string nodeName("Visualizer-");
+    nodeName.append(pointcloud_top_item_->text(0).toStdString());
     pointcloud_channel_Reader_->OpenChannel(
-        pointcloud_comboBox_->currentText().toStdString());
+        pointcloud_comboBox_->currentText().toStdString(), nodeName);
   }
 }
 
@@ -799,7 +806,10 @@ void MainWindow::ChangeVideoImgChannel() {
 
   if (theVideoImg->channel_reader_ != nullptr) {
     theVideoImg->channel_reader_->CloseChannel();
-    theVideoImg->channel_reader_->OpenChannel(obj->currentText().toStdString());
+    std::string nodeName("Visualizer-");
+    nodeName.append(theVideoImg->root_item_.text(0).toStdString());
+    theVideoImg->channel_reader_->OpenChannel(obj->currentText().toStdString(),
+                                              nodeName);
   }
 }