diff --git a/README.md b/README.md
index 51c24eb..da64bee 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ app.py         ----服务器的主程序
   * 新增：成功将spice网表和simulation设置参数传入后端
   * 待解决1：前端代码冗杂，缺乏层次
   * 待解决2：需要在后端根据传入参数进行电路仿真， 并将仿真结果传递回前端
+  * 待解决3：将常用的单位转换为pyspice能够识别的单位（string to specfic unit）
 * 2021年2月9号，前端更新
 
   * 发现bug: 当schematic中没有组件时，spice的parse函数抛出错误
diff --git a/handler/__pycache__/simulation.cpython-36.pyc b/handler/__pycache__/simulation.cpython-36.pyc
new file mode 100644
index 0000000..6888ad5
Binary files /dev/null and b/handler/__pycache__/simulation.cpython-36.pyc differ
diff --git a/handler/__pycache__/spice.cpython-36.pyc b/handler/__pycache__/spice.cpython-36.pyc
index d71e480..2062b39 100644
Binary files a/handler/__pycache__/spice.cpython-36.pyc and b/handler/__pycache__/spice.cpython-36.pyc differ
diff --git a/handler/simulation.py b/handler/simulation.py
index 869fb18..02e34da 100644
--- a/handler/simulation.py
+++ b/handler/simulation.py
@@ -46,4 +46,8 @@ class Simulator_CZ :
         if(sim_type == 'transient'):
             parameter["step_time"] = 0
         pass 
+    
+    def unit_transform(value_raw):
+        pass
+
 
diff --git a/handler/spice.py b/handler/spice.py
index 218420f..ad54cc6 100644
--- a/handler/spice.py
+++ b/handler/spice.py
@@ -2,6 +2,7 @@ from .main import AuthBaseHandler
 from .js import js_import, js_code_1
 import tornado.web
 from .MongoDB import *
+from .simulation import Simulator_CZ
 # from bokeh.embed import server_document
 # from jinja2 import Environment, FileSystemLoader
 
@@ -23,14 +24,35 @@ class SimulationHandler(AuthBaseHandler):
     @tornado.web.authenticated
     def post(self,*args,**kwargs):
         sim_type = self.get_argument('sim_type')
-        properties = self.get_argument('properties')
+        properties_str = self.get_argument('properties')
+        spice = self.get_argument('spice')
+
+        properties = properties_transform(properties_str)
 
         print("sim type:",sim_type)
-        print("property:",properties)
+        print("property:",properties_str)
+        print("spice   :",spice)
+
+        # simulator = Simulator_CZ()
+        # simulator.Get_Spice(spice)
+
 
         self.write("success")
 
 
+
+def properties_transform(properties_str):
+    properties = {}
+    attributes = properties_str.split(";")
+    # print(attributes)
+    for attr in attributes:
+        if(attr != ''):
+            term = attr.split("=")
+            properties[term[0]] = term[1]
+    return properties 
+
+
+
 class Schematic_Handler(AuthBaseHandler):
     
     @tornado.web.authenticated
diff --git a/template/schematic/schematic.html b/template/schematic/schematic.html
index a8b9dbc..629c623 100644
--- a/template/schematic/schematic.html
+++ b/template/schematic/schematic.html
@@ -774,7 +774,7 @@ function ajax_message(data) {
 }
 
 // 由于ajax传递参数时，无法直接进行List的传递，故将属性List转换为了string然后进行传递
-function Simulator(sim_type){
+function Simulator(sim_type, spice){
 
     // var properties = [];
     var properties_send = "";
@@ -796,7 +796,7 @@ function Simulator(sim_type){
     var data = new Object();
     data["sim_type"] = sim_type;
     data["properties"] = properties_send;
-    // data['spice'] = spice;
+    data['spice'] = spice;
     // alert(spice);
 
     // for(var i=0; i<properties.length; i++){
@@ -1181,7 +1181,7 @@ function showOutline(graph)
 			{
                 var node = ParseSpice(graph.getModel()); 
                 var circuit = NormalizeXML(node);
-                let spice = ExtractSpice_2(circuit);
+                let spice = ExtractSpice_2(circuit);                                                            
 
                 var data = new Object();
                 data["name"] = "Spice";
@@ -1263,7 +1263,7 @@ function showOutline(graph)
 
                         var input = document.createElement('input');
                         input.setAttribute('name', the_mode['key'][j]);
-                        input.setAttribute("class","simulator_input")
+                        input.setAttribute("class","simulator_input");
                         input.setAttribute('type', "text");
                         input.setAttribute('value', the_mode['value'][j] );
                         td_input.appendChild(input);
@@ -1275,8 +1275,12 @@ function showOutline(graph)
 
                     var confirm = document.createElement('button');
                     confirm.setAttribute("type","submit");
-                    confirm.setAttribute('onclick',"Simulator('"+sim_mode[i] +"')");
-                    // confirm.onclick = function(){    Simulator(sim_mode[i]); };
+                    confirm.setAttribute("class",sim_mode[i]);
+                    // confirm.setAttribute('onclick',"Simulator('"+sim_mode[i] +"'; ");
+                    confirm.onclick = function(){ 
+                        let spice = get_spice(graph);
+                        Simulator(this.className,spice);
+                    };
                     confirm.innerHTML = "Confirm";
 
                     table.appendChild(confirm);