diff --git a/src/main/java/com/example/easy/retry/controller/LocalAndRemoteRetryController.java b/src/main/java/com/example/easy/retry/controller/LocalAndRemoteRetryController.java
index b41bad6..6c91fe0 100644
--- a/src/main/java/com/example/easy/retry/controller/LocalAndRemoteRetryController.java
+++ b/src/main/java/com/example/easy/retry/controller/LocalAndRemoteRetryController.java
@@ -34,7 +34,7 @@ public class LocalAndRemoteRetryController {
             "📢查看任务列表: http://preview.easyretry.com/#/retry-task/list"
     )
     public void remoteRetryWithLocalRemote(@Parameter(name = "params", description = "测试参数",
-            schema = @Schema(type = "String", description = "测试参数", defaultValue = "test")
+            schema = @Schema(type = "string", description = "测试参数", defaultValue = "test")
     )
     @RequestParam("params") String params) {
         localRemoteService.remoteRetryWithLocalRemote(params);
diff --git a/src/main/java/com/example/easy/retry/controller/LocalRetryController.java b/src/main/java/com/example/easy/retry/controller/LocalRetryController.java
index 8266ae8..5613ce2 100644
--- a/src/main/java/com/example/easy/retry/controller/LocalRetryController.java
+++ b/src/main/java/com/example/easy/retry/controller/LocalRetryController.java
@@ -64,7 +64,7 @@ public class LocalRetryController {
                     "下面参数可以指定:NullPointerException, ParamException"
     )
     public void localRetryIncludeException(@Parameter(name = "type", description = "异常类型", in = ParameterIn.QUERY,
-            schema = @Schema(type = "String", description = "异常类型")) @RequestParam("type") String type) {
+            schema = @Schema(type = "string", description = "异常类型")) @RequestParam("type") String type) {
         localRetryService.localRetryIncludeException(type);
     }
 
diff --git a/src/main/java/com/example/easy/retry/controller/ManualRetryExecutorController.java b/src/main/java/com/example/easy/retry/controller/ManualRetryExecutorController.java
index 302ecef..7d8f5fa 100644
--- a/src/main/java/com/example/easy/retry/controller/ManualRetryExecutorController.java
+++ b/src/main/java/com/example/easy/retry/controller/ManualRetryExecutorController.java
@@ -26,7 +26,7 @@ public class ManualRetryExecutorController {
                     + "📢查看任务列表: http://preview.easyretry.com/#/retry-task/list"
     )
     @GetMapping("/retry")
-    public void remoteRetryWithCallback(@Parameter(name = "params", description = "测试参数", schema = @Schema(description = "测试参数", defaultValue = "test"))
+    public void remoteRetryWithCallback(@Parameter(name = "params", description = "测试参数", schema = @Schema(type = "string", description = "测试参数", defaultValue = "test"))
                                         @RequestParam("params") String params) {
         manualRetryExecutorMethodService.myExecutorMethod(params);
     }
diff --git a/src/main/java/com/example/easy/retry/controller/RemoteRetryController.java b/src/main/java/com/example/easy/retry/controller/RemoteRetryController.java
index 0ab0d54..2df9ae4 100644
--- a/src/main/java/com/example/easy/retry/controller/RemoteRetryController.java
+++ b/src/main/java/com/example/easy/retry/controller/RemoteRetryController.java
@@ -2,6 +2,7 @@ package com.example.easy.retry.controller;
 
 import java.util.Random;
 import java.util.UUID;
+
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -42,6 +43,7 @@ public class RemoteRetryController {
 
     /**
      * 一个最简单的远程调用案例
+     * schema = @Schema(type = "String", defaultValue = "test", description = "测试参数", requiredMode = Schema.RequiredMode.NOT_REQUIRED)
      */
     @GetMapping("/retry/sync")
     @Operation(
@@ -50,7 +52,7 @@ public class RemoteRetryController {
                     "📢查看任务列表: http://preview.easyretry.com/#/retry-task/list"
     )
     public void remoteSync(@Parameter(name = "params", description = "测试参数",
-            schema = @Schema(type = "String", defaultValue = "test", description = "测试参数"))
+            schema = @Schema(type = "string", defaultValue = "test", description = "测试参数"))
                            @RequestParam("params") String params) {
         remoteRetryService.remoteSync(params);
     }
@@ -86,7 +88,7 @@ public class RemoteRetryController {
     @GetMapping("/retryWithSingleParamIdempotentGenerate")
     public void retryWithSingleParamIdempotentGenerate(
             @Parameter(name = "params", description = "测试参数",
-                    schema = @Schema(type = "String", description = "测试参数", defaultValue = "test"))
+                    schema = @Schema(type = "string", description = "测试参数", defaultValue = "test"))
             @RequestParam("params") String params) {
         remoteRetryService.retryWithSingleParamIdempotentGenerate(params);
     }