diff --git a/src/mount.lua b/src/mount.lua
index 3440783..d788a30 100644
--- a/src/mount.lua
+++ b/src/mount.lua
@@ -7,20 +7,21 @@ function module.init(shared)
     local mount = {};
     mount.__index = mount;
     function mount:unmount()
-        local this = self.this;
-        local typeThis = type(this);
-        if typeThis == "userdata" then
-            this:Destroy();
-        elseif typeThis == "table" then
-            pcall(function()
-                this.Parent = nil;
-            end);
-            local destroyThis = this.Destroy;
-            if destroyThis then
-                pcall(destroyThis,this);
+        for _,this in ipairs(self.items) do
+            local typeThis = type(this);
+            if typeThis == "userdata" then
+                this:Destroy();
+            elseif typeThis == "table" then
+                pcall(function()
+                    this.Parent = nil;
+                end);
+                local destroyThis = this.Destroy;
+                if destroyThis then
+                    pcall(destroyThis,this);
+                end
+                --if sef.to when
+                -- todo for remove child on parent
             end
-            --if sef.to when
-            -- todo for remove child on parent
         end
     end
 
@@ -29,35 +30,39 @@ function module.init(shared)
 	end
 	local getHolder = new.getHolder
     -- we should add plugin support
-    function new.mount(to,this,inst)
-    	local thisO = this;
-    	if type(this) == "table" then
-    		thisO = this.__object;
-            local parent = rawget(this,"__parent");
-            if type(parent) == "table" then
-                local parentChild = rawget(parent,"__child");
-                if parentChild then
-                    for i,v in pairs(parentChild) do
-                        if v == this then
-                            parentChild[i] = nil;
+    local pack = table.pack;
+    function new.mount(to,...)
+        local items = pack(...);
+        for _,this in ipairs(items) do
+            local thisO = this;
+            if type(this) == "table" then
+                thisO = this.__object;
+                local parent = rawget(this,"__parent");
+                if type(parent) == "table" then
+                    local parentChild = rawget(parent,"__child");
+                    if parentChild then
+                        for i,v in pairs(parentChild) do
+                            if v == this then
+                                parentChild[i] = nil;
+                            end
                         end
                     end
                 end
+                rawset(this,"__parent",to);
+            end
+            if thisO then
+                thisO.Parent = getHolder(to);
+            end
+            if type(to) == "table" then
+                local child = rawget(to,"__child");
+                if not child then
+                    child = {};
+                    rawset(to,"__child",child);
+                end
+                insert(child,this);
             end
-    		rawset(this,"__parent",to);
-    	end
-        if thisO then
-            thisO.Parent = inst or getHolder(to);
         end
-        if type(to) == "table" then
-        	local child = rawget(to,"__child");
-        	if not child then
-        		child = {};
-        		rawset(to,"__child",child);
-    		end
-    		insert(child,this);
-        end
-        return setmetatable({to = to,this = this},mount);
+        return setmetatable({to = to,this = items},mount);
     end
 
     setmetatable(new,{