diff --git a/modules/core/src/main/java/com/jeesite/modules/sys/web/PostController.java b/modules/core/src/main/java/com/jeesite/modules/sys/web/PostController.java
index 48965217..db60a785 100644
--- a/modules/core/src/main/java/com/jeesite/modules/sys/web/PostController.java
+++ b/modules/core/src/main/java/com/jeesite/modules/sys/web/PostController.java
@@ -20,7 +20,10 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.validation.annotation.Validated;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
@@ -91,8 +94,9 @@ public class PostController extends BaseController {
 	@RequiresPermissions("sys:post:edit")
 	@PostMapping(value = "save")
 	@ResponseBody
-	public String save(@Validated Post post, String oldRoleName) {
-		if (!"true".equals(checkPostName(oldRoleName, post.getPostName()))) {
+	public String save(@Validated Post post, HttpServletRequest request) {
+		Post old = super.getWebDataBinderSource(request);
+		if (!"true".equals(checkPostName(old != null ? old.getPostName() : "", post.getPostName()))) {
 			return renderResult(Global.FALSE, text("保存岗位失败，岗位名称''{0}''已存在", post.getPostName()));
 		}
 		postService.save(post);