Update yii.php [skip ci]

framework/messages/zh-CN/yii.php

@@ -77,4 +77,17 @@ return [
     '{attribute} should contain at least {min, number} {min, plural, one{character} other{characters}}.' => '{attribute}应该包含至少{min, number}个字符。',
     '{attribute} should contain at most {max, number} {max, plural, one{character} other{characters}}.' => '{attribute}只能包含至多{max, number}个字符。',
     '{attribute} should contain {length, number} {length, plural, one{character} other{characters}}.' => '{attribute}应该包含{length, number}个字符。',
+    'in {delta, plural, =1{a year} other{# years}}' => '{delta}年后',
+    'in {delta, plural, =1{a month} other{# months}}' => '{delta}个月后',
+    'in {delta, plural, =1{a day} other{# days}}' => '{delta}天后',
+    'in {delta, plural, =1{an hour} other{# hours}}' => '{delta}小时后',
+    'in {delta, plural, =1{a minute} other{# minutes}}' => '{delta}分钟后',
+    'in {delta, plural, =1{a second} other{# seconds}}' => '{delta}秒后',
+    '{delta, plural, =1{a year} other{# years}} ago' => '{delta}年前',
+    '{delta, plural, =1{a month} other{# months}} ago' => '{delta}个月前',
+    '{delta, plural, =1{a day} other{# days}} ago' => '{delta}天前',
+    '{delta, plural, =1{an hour} other{# hours}} ago' => '{delta}小时前',
+    '{delta, plural, =1{a minute} other{# minutes}} ago' => '{delta}分钟前',
+    'just now' => '刚刚',
+    '{delta, plural, =1{a second} other{# seconds}} ago' => '{delta}秒前',
 ];