diff --git a/graph/actions.cpp b/graph/actions.cpp
index 39338d8..f7b4659 100644
--- a/graph/actions.cpp
+++ b/graph/actions.cpp
@@ -379,6 +379,15 @@ std::string CalcAllGradNormAction::to_string() const {
     return oss.str();
 }
 
+std::string CalcAllGradNormAction::get_dot_string() const {
+    std::ostringstream oss;
+    oss << "Action_" << action_id << " -> Tensor_" << res->get_id() << ";" << std::endl;
+    for (const auto& grad : grads) {
+        oss << "Tensor_" << grad->get_id() << " -> Action_" << action_id << ";" << std::endl;
+    }
+    return oss.str();
+}
+
 void ClipGradAction::execute() {
     assert(lhs != nullptr); // grad
     assert(rhs != nullptr); // norm
@@ -391,6 +400,14 @@ std::string ClipGradAction::to_string() const {
     return oss.str();
 }
 
+std::string ClipGradAction::get_dot_string() const {
+    std::ostringstream oss;
+    oss << "Action_" << action_id << " -> Tensor_" << lhs->get_id() << ";" << std::endl;
+    oss << "Tensor_" << rhs->get_id() << "-> Action_" << action_id << ";" << std::endl;
+    return oss.str();
+
+}
+
 void AdamStepAction::execute() {
     param->inc_t();
     int t = param->get_t();
@@ -1015,7 +1032,7 @@ void printDotGraph() {
         // build edge
         auto parent = tensor_view->get_parent();
         if (parent != nullptr) {
-            out << "Tensor_" << parent->get_id() << " -> Tensor_" << tensor_view->get_id() << ";" << std::endl;
+            out << "Tensor_" << parent->get_id() << " -> Tensor_" << tensor_view->get_id() << "[style=dashed, dir=none];" << std::endl;
         }
     }
 
diff --git a/graph/actions.h b/graph/actions.h
index 7940b05..75f786e 100644
--- a/graph/actions.h
+++ b/graph/actions.h
@@ -214,6 +214,7 @@ class CalcAllGradNormAction : public Action {
         return "CalcAllGradNormAction";
     }
     std::string to_string() const override;
+    std::string get_dot_string() const override;
 private:
     std::vector<Tensor*> grads;
 };
@@ -228,6 +229,7 @@ class ClipGradAction : public Action {
         return "ClipGradAction";
     }
     std::string to_string() const override;
+    std::string get_dot_string() const override;
 private:
     float grad_clip_val;
 };
diff --git a/handwritten_recognition_topo.png b/handwritten_recognition_topo.png
index 2e92dc9..ba667b6 100644
Binary files a/handwritten_recognition_topo.png and b/handwritten_recognition_topo.png differ