diff --git a/frame.js b/frame.js
index 4f93ee39..14169523 100644
--- a/frame.js
+++ b/frame.js
@@ -191,7 +191,8 @@ var can = Volcanos("chat", {
             },
             Delete: function(event) {field.parentNode.removeChild(field)},
         }, Config.libs.concat(["plugin/"+(meta.type||"state")]), function(plugin) {plugin.Conf(meta);
-            can.core.Next(JSON.parse(meta.inputs||"[]"), plugin.Append)
+            var list = JSON.parse(meta.inputs||"[]");
+            can.core.Next(list.length>0? list: [{type: "text"}, {type: "button", value: "执行"}], plugin.Append)
         }, meta)
         return plugin
     }),
diff --git a/lib/page.js b/lib/page.js
index 96759351..096e1f13 100644
--- a/lib/page.js
+++ b/lib/page.js
@@ -178,7 +178,11 @@ Volcanos("page", {help: "网页模块",
     AppendTable: shy("添加表格", function(can, target, msg, list, cb, cbs) {
         var table = can.page.Append(can, target, "table");
         var tr = can.page.Append(can, table, "tr");
-        can.core.List(list, function(key) {can.page.Append(can, tr, "th", key)});
+        can.core.List(list, function(key, index) {can.page.Append(can, tr, "th", key).onclick = function(event) {
+            var dataset = event.target.dataset;
+            dataset["sort_asc"] = (dataset["sort_asc"] == "1") ? 0: 1;
+            can.page.RangeTable(can, table, index, dataset["sort_asc"] == "1");
+        }});
 
         can.page.Append(can, table, can.core.List(msg.Table(), function(line, index) {
             return {type: "tr", list: can.core.List(list, function(key) {var cbcb, cbcbs;
diff --git a/pane/Steam.js b/pane/Steam.js
index 4c5a1883..85237697 100644
--- a/pane/Steam.js
+++ b/pane/Steam.js
@@ -33,7 +33,7 @@ Volcanos("onimport", {help: "导入数据", list: [],
             var node = msg.node[index];
             can.run(event, [can.Conf("river"), msg.user[index], node], function(com) {
                 can.page.Appends(can, can.device, [{text: ["2. 选择模块命令 ->", "caption"]}])
-                can.page.AppendTable(can, can.device, com, ["key", "index", "name", "help"], function(event, value, key, index, tr, td) {
+                var table = can.page.AppendTable(can, can.device, com, ["key", "index", "name", "help"], function(event, value, key, index, tr, td) {
 
                     var last = can.page.Append(can, can.ui.list, [{
                         row: [com.key[index], com.index[index], com.name[index], com.help[index]],
diff --git a/plugin/input.js b/plugin/input.js
index d82ab933..ccb859c4 100644
--- a/plugin/input.js
+++ b/plugin/input.js
@@ -27,7 +27,7 @@ Volcanos("onimport", {help: "导入数据", list: [],
         })
 
         var target = can.Dream(option, "input", input)[input.name];
-        (item.type == "text" || item.type == "textarea") && !target.placeholder && (target.placeholder = item.name);
+        (item.type == "text" || item.type == "textarea") && !target.placeholder && (target.placeholder = item.name || "");
         item.type == "text" && !target.title && (target.title = item.placeholder || item.name || "");
         item.type == "button" && item.action == "auto" && can.run && can.run({});
         return target;
diff --git a/plugin/table.js b/plugin/table.js
index f3ad2a77..3bd2b7d7 100644
--- a/plugin/table.js
+++ b/plugin/table.js
@@ -14,11 +14,6 @@ Volcanos("onimport", {help: "导入数据", list: [],
                 })
                 break
             case "TH":
-                var index = 0;
-                can.page.Select(can, table, "th", function(item, i) {if (item == event.target) {index = i}})
-                var dataset = event.target.dataset
-                dataset["sort_asc"] = (dataset["sort_asc"] == "1") ? 0: 1
-                can.page.RangeTable(can, table, index, dataset["sort_asc"] == "1")
                 break
             case "TR":
             case "TABLE":