namingrule的值存在0的情况报错调整

app/Http/Controllers/API/NameRuleController.php

@@ -140,7 +140,7 @@ class NameRuleController extends Controller
 
         $name = $code;
         foreach ($namingRule->combination_rules as $rule) {
-            if (! isset($request->fields[$rule['field']]) || !$request->fields[$rule['field']]) {
+            if (! isset($request->fields[$rule['field']])) {
                 return $this->badRequest(sprintf("%s field is required", $rule['field']));
             }