diff --git a/src/namePathType.ts b/src/namePathType.ts
index 8e54c6f1..38235915 100644
--- a/src/namePathType.ts
+++ b/src/namePathType.ts
@@ -6,27 +6,27 @@ type BaseNamePath = string | number | boolean | (string | number | boolean)[];
 export type DeepNamePath<
   Store = any,
   ParentNamePath extends any[] = [],
-> = ParentNamePath['length'] extends 10
+> = ParentNamePath['length'] extends 5
   ? never
   : // Follow code is batch check if `Store` is base type
-  true extends (Store extends BaseNamePath ? true : false)
-  ? ParentNamePath['length'] extends 0
-    ? Store | BaseNamePath // Return `BaseNamePath` instead of array if `ParentNamePath` is empty
-    : Store extends any[]
-    ? [...ParentNamePath, number] // Connect path
-    : never
-  : Store extends any[] // Check if `Store` is `any[]`
-  ? // Connect path. e.g. { a: { b: string }[] }
-    // Get: [a] | [ a,number] | [ a ,number , b]
-    [...ParentNamePath, number] | DeepNamePath<Store[number], [...ParentNamePath, number]>
-  : keyof Store extends never // unknown
-  ? Store
-  : {
-      // Convert `Store` to <key, value>. We mark key a `FieldKey`
-      [FieldKey in keyof Store]: Store[FieldKey] extends Function
-        ? never
-        :
-            | (ParentNamePath['length'] extends 0 ? FieldKey : never) // If `ParentNamePath` is empty, it can use `FieldKey` without array path
-            | [...ParentNamePath, FieldKey] // Exist `ParentNamePath`, connect it
-            | DeepNamePath<Required<Store>[FieldKey], [...ParentNamePath, FieldKey]>; // If `Store[FieldKey]` is object
-    }[keyof Store];
+    true extends (Store extends BaseNamePath ? true : false)
+    ? ParentNamePath['length'] extends 0
+      ? Store | BaseNamePath // Return `BaseNamePath` instead of array if `ParentNamePath` is empty
+      : Store extends any[]
+        ? [...ParentNamePath, number] // Connect path
+        : never
+    : Store extends any[] // Check if `Store` is `any[]`
+      ? // Connect path. e.g. { a: { b: string }[] }
+        // Get: [a] | [ a,number] | [ a ,number , b]
+        [...ParentNamePath, number] | DeepNamePath<Store[number], [...ParentNamePath, number]>
+      : keyof Store extends never // unknown
+        ? Store
+        : {
+            // Convert `Store` to <key, value>. We mark key a `FieldKey`
+            [FieldKey in keyof Store]: Store[FieldKey] extends Function
+              ? never
+              :
+                  | (ParentNamePath['length'] extends 0 ? FieldKey : never) // If `ParentNamePath` is empty, it can use `FieldKey` without array path
+                  | [...ParentNamePath, FieldKey] // Exist `ParentNamePath`, connect it
+                  | DeepNamePath<Required<Store>[FieldKey], [...ParentNamePath, FieldKey]>; // If `Store[FieldKey]` is object
+          }[keyof Store];