diff --git a/src/main/java/com/power/doc/builder/TornaBuilder.java b/src/main/java/com/power/doc/builder/TornaBuilder.java
index 2c49d98..b395fd3 100644
--- a/src/main/java/com/power/doc/builder/TornaBuilder.java
+++ b/src/main/java/com/power/doc/builder/TornaBuilder.java
@@ -155,7 +155,7 @@ public class TornaBuilder {
      * build apis
      * @param a api
      * @param hasDebugEnv has debug environment
-     * @return
+     * @return List of Api
      */
     public static List<Apis> buildApis(ApiDoc a, boolean hasDebugEnv) {
         List<ApiMethodDoc> apiMethodDocs = a.getList();
diff --git a/src/main/java/com/power/doc/helper/FormDataBuildHelper.java b/src/main/java/com/power/doc/helper/FormDataBuildHelper.java
index cec0d87..519e1c0 100644
--- a/src/main/java/com/power/doc/helper/FormDataBuildHelper.java
+++ b/src/main/java/com/power/doc/helper/FormDataBuildHelper.java
@@ -123,7 +123,7 @@ public class FormDataBuildHelper {
             if (StringUtil.isNotEmpty(comment)) {
                 comment = DocUtil.replaceNewLineToHtmlBr(comment);
             }
-            if (fieldGicName.contains(DocGlobalConstants.MULTIPART_FILE_FULLY)) {
+            if (JavaClassValidateUtil.isFile(fieldGicName)) {
                 FormData formData = new FormData();
                 formData.setKey(pre + fieldName);
                 formData.setType("file");
diff --git a/src/main/java/com/power/doc/helper/ParamsBuildHelper.java b/src/main/java/com/power/doc/helper/ParamsBuildHelper.java
index ff666a2..5b082e7 100644
--- a/src/main/java/com/power/doc/helper/ParamsBuildHelper.java
+++ b/src/main/java/com/power/doc/helper/ParamsBuildHelper.java
@@ -232,7 +232,7 @@ public class ParamsBuildHelper {
                     comment = DocUtil.replaceNewLineToHtmlBr(comment);
                 }
                 // file
-                if (fieldGicName.contains(DocGlobalConstants.MULTIPART_FILE_FULLY)) {
+                if (JavaClassValidateUtil.isFile(fieldGicName)) {
                     ApiParam param = ApiParam.of().setField(pre + fieldName).setType("file")
                             .setPid(pid).setId(paramList.size() + pid + 1)
                             .setMaxLength(maxLength)
diff --git a/src/main/java/com/power/doc/template/SpringBootDocBuildTemplate.java b/src/main/java/com/power/doc/template/SpringBootDocBuildTemplate.java
index ab8f32f..0ae372a 100644
--- a/src/main/java/com/power/doc/template/SpringBootDocBuildTemplate.java
+++ b/src/main/java/com/power/doc/template/SpringBootDocBuildTemplate.java
@@ -391,7 +391,7 @@ public class SpringBootDocBuildTemplate implements IDocBuildTemplate<ApiDoc> {
                 continue;
             }
             //file upload
-            if (gicTypeName.contains(DocGlobalConstants.MULTIPART_FILE_FULLY)) {
+            if (JavaClassValidateUtil.isFile(gicTypeName)) {
                 apiMethodDoc.setContentType(FILE_CONTENT_TYPE);
                 FormData formData = new FormData();
                 formData.setKey(paramName);
@@ -588,7 +588,7 @@ public class SpringBootDocBuildTemplate implements IDocBuildTemplate<ApiDoc> {
                 paramName = StringUtil.camelToUnderline(paramName);
             }
             //file upload
-            if (typeName.contains(DocGlobalConstants.MULTIPART_FILE_FULLY)) {
+            if (JavaClassValidateUtil.isFile(typeName)) {
                 ApiParam param = ApiParam.of().setField(paramName).setType("file")
                         .setId(paramList.size() + 1).setQueryParam(true)
                         .setRequired(true).setVersion(DocGlobalConstants.DEFAULT_VERSION)
@@ -687,7 +687,7 @@ public class SpringBootDocBuildTemplate implements IDocBuildTemplate<ApiDoc> {
                                 "true", responseFieldMap, Boolean.FALSE, new HashMap<>(), builder, groupClasses, 0));
                     } else {
                         throw new RuntimeException("Spring MVC can't support binding Collection on method "
-                                + javaMethod.getName() + "Check it in " + javaMethod.getDeclaringClass().getCanonicalName());
+                                + javaMethod.getName() + ",Check it in " + javaMethod.getDeclaringClass().getCanonicalName());
                     }
                 }
             } else if (JavaClassValidateUtil.isPrimitive(fullTypeName)) {
diff --git a/src/main/java/com/power/doc/utils/JavaClassValidateUtil.java b/src/main/java/com/power/doc/utils/JavaClassValidateUtil.java
index a141a82..6f0d4b6 100644
--- a/src/main/java/com/power/doc/utils/JavaClassValidateUtil.java
+++ b/src/main/java/com/power/doc/utils/JavaClassValidateUtil.java
@@ -267,6 +267,9 @@ public class JavaClassValidateUtil {
     public static boolean isFile(String typeName){
         switch (typeName) {
             case "org.springframework.web.multipart.MultipartFile":
+            case "org.springframework.web.multipart.MultipartFile[]":
+            case "org.springframework.web.multipart.commons.CommonsMultipartFile":
+            case "org.springframework.web.multipart.commons.CommonsMultipartFile[]":
                 return true;
             default:
                 return false;
@@ -275,8 +278,8 @@ public class JavaClassValidateUtil {
 
     /**
      * check reactor param
-     * @param typeName
-     * @return
+     * @param typeName class name
+     * @return boolean
      */
     public static boolean isReactor(String typeName) {
         switch (typeName) {