diff --git a/index.html b/index.html
index 5d3ac23..c37b1e5 100644
--- a/index.html
+++ b/index.html
@@ -52,6 +52,7 @@
                                     <option value="1">x对数轴</option>
                                     <option value="2">y对数轴</option>
                                     <option value="3">双对数轴</option>
+                                    <option value="4" v-show="enablepolar">极坐标轴</option>
                                 </select>
                             </td>
                         </tr>
@@ -102,6 +103,7 @@
                         <lib category="selectcolormodel" chname="CMYK模式" libname="cmyk" customized="1"></lib>
                         <lib :id="4" category="pgfplots" chname="统计库" libname="statistics" customized="0"></lib>
                         <lib :id="5" category="pgfplots" chname="间隙填充库" libname="fillbetween" customized="0"></lib>
+                        <lib :id="6" category="pgfplots" chname="极坐标库" libname="polar" customized="0"></lib>
                     </div>
                 </details>
                 <details id="data" open="true">
@@ -179,7 +181,7 @@
         
     </div>
     <template id="libtpl">
-        <td><input type="checkbox" v-model="enabled" @change="onlibchange">{{chname}}</input></td>
+        <div class="libchecker"><input type="checkbox" v-model="enabled" @change="onlibchange">{{chname}}</input></div>
     </template>
     <template id="parambartpl">
         <div class="parambar" style="display: block;">
diff --git a/main.css b/main.css
index 87ed39a..74b52fa 100644
--- a/main.css
+++ b/main.css
@@ -340,4 +340,8 @@ input[type=text]{
     width: 20px;
     height: 10px;
     border: 1px solid black;
+}
+
+.libchecker {
+    display: inline-block;
 }
\ No newline at end of file
diff --git a/main.js b/main.js
index 7a2e23e..d214d3f 100644
--- a/main.js
+++ b/main.js
@@ -39,6 +39,8 @@ Vue.component('lib',{
                 else if (this.id==4)
                     for(var key in statisticsDic)
                         sparamDic[key] = statisticsDic[key];
+                else if (this.id==6)
+                    app.enablepolar = true;
             }
             else{
                 delete app.packages[this.id];
@@ -48,6 +50,11 @@ Vue.component('lib',{
                 else if(this.id==4)
                     for(var key in statisticsDic)
                         delete sparamDic[key];
+                else if(this.id==6){
+                    if(app.axistype=="4")
+                        app.axistype = "0";
+                    app.enablepolar = false;
+                }
             }
             updatePkg();
             if(this.id)
@@ -661,6 +668,7 @@ var app = new Vue({
         enableLegend: true,
         enablepin: false,
         enablesource: true,
+        enablepolar: false,
         manual: false,
         series: "",
         param: "",
@@ -700,6 +708,8 @@ var app = new Vue({
                 case "1": axistypename = "semilogxaxis"; break;
                 case "2": axistypename = "semilogyaxis"; break;
                 case "3": axistypename = "loglogaxis"; break;
+                case "4": axistypename = "polaraxis";
+                break;
             }
             return (this.enablepin ? tp_premable : t_premable)
             + "\\begin{" + axistypename + "}["