diff --git a/library/think/Collection.php b/library/think/Collection.php
index 41b42759..d88c3183 100644
--- a/library/think/Collection.php
+++ b/library/think/Collection.php
@@ -189,8 +189,11 @@ class Collection implements ArrayAccess, Countable, IteratorAggregate, JsonSeria
     public function each(callable $callback)
     {
         foreach ($this->items as $key => $item) {
-            if ($callback($item, $key) === false) {
+            $result = $callback($item, $key);
+            if (false === $result) {
                 break;
+            } elseif (!is_object($item)) {
+                $this->items[$key] = $result;
             }
         }
 
diff --git a/library/think/Paginator.php b/library/think/Paginator.php
index 6a9dfe41..39d2f644 100644
--- a/library/think/Paginator.php
+++ b/library/think/Paginator.php
@@ -288,8 +288,11 @@ abstract class Paginator implements ArrayAccess, Countable, IteratorAggregate, J
     public function each(callable $callback)
     {
         foreach ($this->items as $key => $item) {
-            if ($callback($item, $key) === false) {
+            $result = $callback($item, $key);
+            if (false === $result) {
                 break;
+            } elseif (!is_object($item)) {
+                $this->items[$key] = $result;
             }
         }