fix errors for apis

1 files changed, 17 insertions, 15 deletions

diff --git a/xmake/core/package/package.lua b/xmake/core/package/package.lua
index ea33e24fa..f7b49db38 100644
--- a/xmake/core/package/package.lua
+++ b/xmake/core/package/package.lua
@@ -55,23 +55,25 @@ local sandbox_module = require("sandbox/modules/import/core/sandbox/module")
 -- new an instance
 function _instance.new(name, info, opt)
     opt = opt or {}
-    local parts = name:split("::", {plain = true})
     local instance = table.inherit(_instance)
-    local managers = package._memcache():get("managers")
-    if managers == nil and #parts == 2 then
-        managers = hashset.new()
-        for _, dir in ipairs(os.dirs(path.join(os.programdir(), "modules/package/manager/*"))) do
-            managers:insert(path.filename(dir))
+    if name then
+        local parts = name:split("::", {plain = true})
+        local managers = package._memcache():get("managers")
+        if managers == nil and #parts == 2 then
+            managers = hashset.new()
+            for _, dir in ipairs(os.dirs(path.join(os.programdir(), "modules/package/manager/*"))) do
+                managers:insert(path.filename(dir))
+            end
+            package._memcache():set("managers", managers)
         end
-        package._memcache():set("managers", managers)
-    end
-    if #parts == 2 and managers and managers:has(parts[1]) then
-        instance._NAME = name
-    else
-        instance._NAME = parts[#parts]
-        table.remove(parts)
-        if #parts > 0 then
-            instance._NAMESPACE = table.concat(parts, "::")
+        if #parts == 2 and managers and managers:has(parts[1]) then
+            instance._NAME = name
+        else
+            instance._NAME = parts[#parts]
+            table.remove(parts)
+            if #parts > 0 then
+                instance._NAMESPACE = table.concat(parts, "::")
+            end
         end
     end
     instance._INFO      = info