diff --git a/src/utils/kindOf.js b/src/utils/kindOf.js
index c5395a1df6..571b1caf06 100644
--- a/src/utils/kindOf.js
+++ b/src/utils/kindOf.js
@@ -38,7 +38,11 @@ export function kindOf(val) {
       }
 
       // other
-      return type.slice(8, -1).toLowerCase().replace(/\s/g, '')
+      return Object.prototype.toString
+        .call(val)
+        .slice(8, -1)
+        .toLowerCase()
+        .replace(/\s/g, '')
     }
 
     function ctorName(val) {