From c40a813ccc9a36fd3571238f39e54ada29d2c7f3 Mon Sep 17 00:00:00 2001
From: soulbird <zhaothree@gmail.com>
Date: Tue, 3 Jan 2023 17:54:31 +0800
Subject: [PATCH] remove exclude resp headers

---
 apisix/plugins/ext-plugin/init.lua | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/apisix/plugins/ext-plugin/init.lua b/apisix/plugins/ext-plugin/init.lua
index 2e9a7494e44d..b6fcf6fea82c 100644
--- a/apisix/plugins/ext-plugin/init.lua
+++ b/apisix/plugins/ext-plugin/init.lua
@@ -76,6 +76,7 @@ local exclude_resp_header = {
     ["server"] = true,
     ["www-authenticate"] = true,
     ["content-encoding"] = true,
+    ["content-type"] = true,
     ["content-location"] = true,
     ["content-language"] = true,
 }
@@ -790,13 +791,11 @@ local rpc_handlers = {
             for i = 1, len do
                 local entry = call_resp:Headers(i)
                 local name = str_lower(entry:Name())
-                if not exclude_resp_header[name] then
-                    if resp_headers[name] == nil then
-                        core.response.set_header(name, entry:Value())
-                        resp_headers[name] = true
-                    else
-                        core.response.add_header(name, entry:Value())
-                    end
+                if resp_headers[name] == nil then
+                    core.response.set_header(name, entry:Value())
+                    resp_headers[name] = true
+                else
+                    core.response.add_header(name, entry:Value())
                 end
             end
         else