From 6eec264e7001e091cdcb8a56a72c7efb1f8afe63 Mon Sep 17 00:00:00 2001
From: click33 <2393584716@qq.com>
Date: Tue, 8 Jun 2021 01:01:19 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D`SaServletFilter`=E5=BC=82?=
 =?UTF-8?q?=E5=B8=B8=E5=87=BD=E6=95=B0=E4=B8=AD=E6=97=A0=E6=B3=95=E8=87=AA?=
 =?UTF-8?q?=E5=AE=9A=E4=B9=89`Content-Type`=E7=9A=84=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../main/java/cn/dev33/satoken/filter/SaServletFilter.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sa-token-starter/sa-token-spring-boot-starter/src/main/java/cn/dev33/satoken/filter/SaServletFilter.java b/sa-token-starter/sa-token-spring-boot-starter/src/main/java/cn/dev33/satoken/filter/SaServletFilter.java
index 34d9001f..8c700769 100644
--- a/sa-token-starter/sa-token-spring-boot-starter/src/main/java/cn/dev33/satoken/filter/SaServletFilter.java
+++ b/sa-token-starter/sa-token-spring-boot-starter/src/main/java/cn/dev33/satoken/filter/SaServletFilter.java
@@ -167,7 +167,9 @@ public class SaServletFilter implements Filter {
 			String resultString = String.valueOf(result);
 			
 			// 2. 写入输出流 
-			response.setContentType("text/plain; charset=utf-8"); 
+			if(response.getContentType() == null) {
+				response.setContentType("text/plain; charset=utf-8"); 
+			}
 			response.getWriter().print(resultString);
 			return;
 		}