diff --git a/onnx_modifier.py b/onnx_modifier.py
index 6b310cf..d08c110 100644
--- a/onnx_modifier.py
+++ b/onnx_modifier.py
@@ -98,8 +98,6 @@ class onnxModifier:
                 if len(const_node_left_output) == 0:
                     self.graph.node.remove(self.node_name2module[left_node.name]) 
                     # self.initializer.remove(self.initializer_name2module[init_name])
-                else:
-                    left_node.output = const_node_left_output
             
     
     def modify_node_io_name(self, node_renamed_io):
diff --git a/readme.md b/readme.md
index 0a4821a..28fb59c 100644
--- a/readme.md
+++ b/readme.md
@@ -19,6 +19,7 @@ The update log of `onnx-modifier` can be seen [here](./docs/update_log.md). Curr
   - Delete a node and all the nodes rooted on it.
   - Recover a deleted node.
 - Rename the name of node inputs/outputs
+- Edit the attribute of nodes
 - Add new nodes (experimental)
 
 
@@ -86,7 +87,6 @@ By changing the input/output name of nodes, we can change the model forward path
 
 Using `onnx-modifier`, we can achieve this by simply enter a new name for node inputs/outputs in its corresponding input placeholder. The graph topology is updated automatically and instantly, according to the new names.
 
-
 For example,  Now we want remove the preprocess operators (`Sub->Mul->Sub->Transpose`) shown in the following figure. We can
 
 1. Click on the 1st `Conv` node, rename its input (X) as *serving_default_input:0* (the output of node `data_0`).
@@ -97,6 +97,12 @@ For example,  Now we want remove the preprocess operators (`Sub->Mul->Sub->Trans
 
 <img src="./docs/rename_node_io.png" alt="rename_node_io" style="zoom:60%;" />
 
+## Edit the attribute of nodes
+
+Change the original attribute to a new value, then we are done.
+
+
+
 ## Add new node
 Sometimes we want to add new nodes into the exsited model. `onnx-modifier` supports this feature experimentally now. 
 
diff --git a/static/onnx.js b/static/onnx.js
index 2de8d14..408d7a7 100644
--- a/static/onnx.js
+++ b/static/onnx.js
@@ -621,13 +621,13 @@ onnx.Graph = class {
         // console.log(inputs)
         // console.log(outputs)
         
-        // console.log(node_info)
+        console.log(node_info)
         var attributes = []
         if (schema.attributes) {
             for (const attr of schema.attributes) {
-                // console.log(attr)
+                console.log(attr)
                 var value = node_info.attributes.get(attr.name)  // modified value or null
-                // console.log(value)
+                console.log(value)
                 attributes.push(
                     new onnx.LightAttributeInfo(
                         attr.name, 
@@ -638,7 +638,7 @@ onnx.Graph = class {
                     )
             }
         }
-        // console.log(attributes)
+        console.log(attributes[0].value)
 
         var custom_add_node = new onnx.Node(
                 this._context, 
@@ -918,7 +918,9 @@ onnx.LightAttributeInfo = class {
         this.name = name;
         this.description = description;
         this.type = type;
-        this.value = value || null;
+        // this.value = value || null;
+        // console.log(value, value || null) // TODO: amazing output: 0, null
+        this.value = value
     }
 }
 
diff --git a/static/view.js b/static/view.js
index f963356..e012ae9 100644
--- a/static/view.js
+++ b/static/view.js
@@ -1284,7 +1284,7 @@ view.Graph = class extends grapher.Graph {
             //reset inputs
             for (var input of node.inputs) {
                 for (var i = 0; i < input.arguments.length; ++i) {
-                    console.log(input.arguments[i].original_name)
+                    // console.log(input.arguments[i].original_name)
                     if (this._renameMap.get(node.modelNodeName).get(input.arguments[i].original_name)) {
                         input.arguments[i] = this.view._graphs[0]._context.argument(input.arguments[i].original_name)
                     }
@@ -1292,16 +1292,19 @@ view.Graph = class extends grapher.Graph {
             }
             
             // reset outputs
-            // for (var output of node.outputs) {
-            //     for (var i = 0; i < output.arguments.length; ++i) {
-            //         if (this._renameMap.get(node.modelNodeName).get(output.arguments[i].original_name)) {
-            //             output.arguments[index] = this._graphs[0]._context.argument(output.arguments[i].original_name)
-            //         }
-            //     }
-            // }
+            for (var output of node.outputs) {
+                for (var i = 0; i < output.arguments.length; ++i) {
+                    if (this._renameMap.get(node.modelNodeName).get(output.arguments[i].original_name)) {
+                        output.arguments[i] = this.view._graphs[0]._context.argument(output.arguments[i].original_name)
+                    }
+                }
+            }
         }
         this._renameMap = new Map();
 
+        // clear custom added nodes
+        this._addedNode = new Map()
+        this.view._graphs[0].reset_custom_added_node()
     }
 
     recordRenameInfo(modelNodeName, src_name, dst_name) {