优化

@@ -175,6 +175,7 @@ Page({
   handleAddition: function(data) {
     var that = this
     var newdata = data.items
+    var inputdisable = this.data.input_disable
     this.setData({
       origindata: data
     })
@@ -202,7 +203,7 @@ Page({
         //   shareMethodData: shareMethod_Data
         // })
       } else if (that.data.cur_status == "support_duty") {
-
+        
         var supportlist = newdata[0].support_duties
         if (supportlist && supportlist.length > 0) {
           for (var i = 0; i < supportlist.length; i++) {
@@ -227,10 +228,12 @@ Page({
         var shareMethod_Data = this.data.shareMethodData;
         if (supportlist.length < 1 && cosupportlist.length<1){
           btn_show = true
+          inputdisable = false
           issinglechild_Data.disabled = false;
           shareMethod_Data.disabled = false;
         }else{
           btn_show = false
+          inputdisable = true
           issinglechild_Data.disabled = true;
           issinglechild_Data.selected = data.is_single == 'y' ? "是" : "否";
 
@@ -322,7 +325,7 @@ Page({
       }
       this.setData({
         reduce_amount: data.month_deduction_amount ? data.month_deduction_amount : 0,
-        input_disable: true,
+        input_disable: inputdisable,
 
         btn_show: btn_show,
         person_total_amount: data.person_total_amount ? data.person_total_amount : 0,