diff --git a/app/Http/Controllers/CropYieldController.php b/app/Http/Controllers/CropYieldController.php
index 8a7202b..eaab3da 100644
--- a/app/Http/Controllers/CropYieldController.php
+++ b/app/Http/Controllers/CropYieldController.php
@@ -129,7 +129,7 @@ class CropYieldController extends Controller
         $staticsData = [
             'yield' => [
                 'name' => '产量',
-                'unit' => $crop?->unit ?? '斤',
+                'unit' => $crop?->unit ?? '吨',
                 'list' => [
                     '第1季度' => null,
                     '第2季度' => null,