diff --git a/workflow-engine-form/src/main/java/cn/axzo/workflow/form/service/converter/FormInstanceConverter.java b/workflow-engine-form/src/main/java/cn/axzo/workflow/form/service/converter/FormInstanceConverter.java
index 82e704c51..3392b82f6 100644
--- a/workflow-engine-form/src/main/java/cn/axzo/workflow/form/service/converter/FormInstanceConverter.java
+++ b/workflow-engine-form/src/main/java/cn/axzo/workflow/form/service/converter/FormInstanceConverter.java
@@ -70,6 +70,7 @@ public interface FormInstanceConverter extends EntityConverter<FormInstanceVO, F
         formFieldDTO.setParams(formField.getParams());
         if (formField instanceof OptionFormField) {
             OptionFormField optionFormField = (OptionFormField) formField;
+            formFieldDTO.setFieldType(optionFormField.getClass().getSimpleName());
             formFieldDTO.setOptions(optionsToOptionDTOs(optionFormField.getOptions()));
         }
         if (formField instanceof FormContainer) {