添加placehold颜色

keyBoard/Class/AiTalk/V/PopView/KBAIPersonaSidebarView.m

@@ -458,6 +458,8 @@
     if (!_searchField) {
         _searchField = [[UITextField alloc] init];
         _searchField.placeholder = KBLocalized(@"Search Role");
+        _searchField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:KBLocalized(@"Search Role")
+                                                                             attributes:@{NSForegroundColorAttributeName: [UIColor whiteColor]}];
         _searchField.textColor = [UIColor whiteColor];
         _searchField.font = [UIFont systemFontOfSize:14];
         _searchField.clearButtonMode = UITextFieldViewModeWhileEditing;