diff --git a/xmake/core/base/interpreter.lua b/xmake/core/base/interpreter.lua
index 72886e0d2e..4e5aaf8c79 100644
--- a/xmake/core/base/interpreter.lua
+++ b/xmake/core/base/interpreter.lua
@@ -647,7 +647,7 @@ function interpreter:_script(script)
     end
 
     -- make sandbox instance with the given script
-    local instance, errors = sandbox.new(script, self:filter(), self:scriptdir())
+    local instance, errors = sandbox.new(script, {filter = self:filter(), rootdir = self:scriptdir(), namespace = self:namespace()})
     if not instance then
         return nil, errors
     end
diff --git a/xmake/core/base/task.lua b/xmake/core/base/task.lua
index 7258aeb211..a3fde19138 100644
--- a/xmake/core/base/task.lua
+++ b/xmake/core/base/task.lua
@@ -221,17 +221,12 @@ end
 
 -- bind script with a sandbox instance
 function task._bind_script(interp, script)
-
-    -- make sandbox instance with the given script
-    local instance, errors = sandbox.new(script, interp:filter(), interp:rootdir())
+    local instance, errors = sandbox.new(script, {
+        filter = interp:filter(), rootdir = interp:rootdir(), namespace = interp:namespace()})
     if not instance then
         return nil, errors
     end
-
-    -- check
     assert(instance:script())
-
-    -- update option script
     return instance:script()
 end
 
diff --git a/xmake/core/package/package.lua b/xmake/core/package/package.lua
index bb12282e1e..741ca318c7 100644
--- a/xmake/core/package/package.lua
+++ b/xmake/core/package/package.lua
@@ -2945,7 +2945,7 @@ function package.load_from_system(packagename)
         end
 
         -- make sandbox instance with the given script
-        instance, errors = sandbox.new(on_install, interp:filter())
+        instance, errors = sandbox.new(on_install, {filter = interp:filter(), namespace = interp:namespace()})
         if not instance then
             return nil, errors
         end
diff --git a/xmake/core/project/project.lua b/xmake/core/project/project.lua
index 61c1361dbd..ee2b55a636 100644
--- a/xmake/core/project/project.lua
+++ b/xmake/core/project/project.lua
@@ -979,8 +979,16 @@ function project.ordertargets()
 end
 
 -- get the given option
-function project.option(name)
-    return project.options()[name]
+function project.option(name, opt)
+    opt = opt or {}
+    local options = project.options()
+    if options then
+        local o = options[name]
+        if not o and opt.namespace then
+            o = options[opt.namespace .. "::" .. name]
+        end
+        return o
+    end
 end
 
 -- get options
diff --git a/xmake/core/sandbox/modules/has_config.lua b/xmake/core/sandbox/modules/has_config.lua
index 1dc36278ac..2cf5a86d03 100644
--- a/xmake/core/sandbox/modules/has_config.lua
+++ b/xmake/core/sandbox/modules/has_config.lua
@@ -20,8 +20,14 @@
 
 -- return module
 local config  = require("project/config")
+local sandbox = require("sandbox/sandbox")
 
 return function (...)
-    return config.has(table.pack(...))
+    local namespace
+    local instance = sandbox.instance()
+    if instance then
+        namespace = instance:namespace()
+    end
+    return config.has(table.pack(...), {namespace = namespace})
 end
 
diff --git a/xmake/core/sandbox/sandbox.lua b/xmake/core/sandbox/sandbox.lua
index 9bad3eb9f1..2d624da988 100644
--- a/xmake/core/sandbox/sandbox.lua
+++ b/xmake/core/sandbox/sandbox.lua
@@ -107,21 +107,20 @@ function sandbox._new()
 
     -- bind instance to the public script envirnoment
     instance:bind(instance._PUBLIC)
-
-    -- ok?
     return instance
 end
 
 -- new a sandbox instance with the given script
-function sandbox.new(script, filter, rootdir)
-    assert(script)
+function sandbox.new(script, opt)
+    opt = opt or {}
 
     -- new instance
     local self = sandbox._new()
     assert(self and self._PUBLIC and self._PRIVATE)
 
-    self._PRIVATE._FILTER = filter
-    self._PRIVATE._ROOTDIR = rootdir
+    self._PRIVATE._FILTER = opt.filter
+    self._PRIVATE._ROOTDIR = opt.rootdir
+    self._PRIVATE._NAMESPACE = opt.namespace
 
     -- invalid script?
     if type(script) ~= "function" then
@@ -178,23 +177,17 @@ function sandbox:fork(script, rootdir)
 
     -- init a new sandbox instance
     local instance = sandbox._new()
-
-    -- check
     assert(instance and instance._PUBLIC and instance._PRIVATE)
 
-    -- inherit the filter
     instance._PRIVATE._FILTER = self:filter()
-
-    -- inherit the root directory
     instance._PRIVATE._ROOTDIR = rootdir or self:rootdir()
+    instance._PRIVATE._NAMESPACE = self:namespace()
 
     -- bind public scope
     if script then
         setfenv(script, instance._PUBLIC)
         instance._PRIVATE._SCRIPT = script
     end
-
-    -- ok?
     return instance
 end
 
@@ -246,6 +239,12 @@ function sandbox:rootdir()
     return self._PRIVATE._ROOTDIR
 end
 
+-- get current namespace
+function sandbox:namespace()
+    assert(self and self._PRIVATE)
+    return self._PRIVATE._NAMESPACE
+end
+
 -- get current instance in the sandbox modules
 function sandbox.instance(script)