diff --git a/apisix/plugins/redirect.lua b/apisix/plugins/redirect.lua
index 5c45b7946dcb..d858b9c86df9 100644
--- a/apisix/plugins/redirect.lua
+++ b/apisix/plugins/redirect.lua
@@ -55,14 +55,12 @@ local schema = {
         },
         http_to_https = {type = "boolean"},
         encode_uri = {type = "boolean", default = false},
-        append_query_string = {type = "boolean"},
+        append_query_string = {type = "boolean", default = false},
     },
     oneOf = {
         {required = {"uri"}},
         {required = {"regex_uri"}},
-        {required = {"http_to_https"}, ["not"] = {
-           required = {"append_query_string"}
-        }}
+        {required = {"http_to_https"}}
     }
 }
 
@@ -103,6 +101,7 @@ end
 
 function _M.check_schema(conf)
     local ok, err = core.schema.check(schema, conf)
+
     if not ok then
         return false, err
     end
@@ -117,6 +116,10 @@ function _M.check_schema(conf)
         end
     end
 
+    if conf.http_to_https and conf.append_query_string then
+        return false, "only one of `http_to_https` and `append_query_string` can be configured."
+    end
+
     return true
 end
 
diff --git a/t/plugin/redirect.t b/t/plugin/redirect.t
index 246c73ce7cad..ec753f00ba2f 100644
--- a/t/plugin/redirect.t
+++ b/t/plugin/redirect.t
@@ -1146,6 +1146,6 @@ Location: https://foo.com:9443/hello
 GET /t
 --- error_code: 400
 --- response_body eval
-qr/error_msg":"failed to check the configuration of plugin redirect err: value should match only one schema, but matches none/
+qr/error_msg":"failed to check the configuration of plugin redirect err: only one of `http_to_https` and `append_query_string` can be configured."/
 --- no_error_log
 [error]
diff --git a/t/plugin/redirect2.t b/t/plugin/redirect2.t
index ac840e6d4274..24f6f8ebf3fb 100644
--- a/t/plugin/redirect2.t
+++ b/t/plugin/redirect2.t
@@ -79,3 +79,32 @@ GET /test/hello?o=apache
 --- response_headers
 Location: http://test.com/hello?q=apisix&o=apache
 --- error_code: 302
+
+
+
+=== TEST 3: compatible with old version configuration
+--- config
+    location /t {
+        content_by_lua_block {
+            local t = require("lib.test_admin").test
+            local code, body = t('/apisix/admin/routes/1',
+                ngx.HTTP_PUT,
+                [[{
+                    "uri": "/hello",
+                    "host": "foo.com",
+                    "plugins": {
+                        "redirect": {
+                            "http_to_https": true,
+                            "append_query_string": false
+                        }
+                    }
+                }]]
+                )
+            if code >= 300 then
+                ngx.status = code
+            end
+            ngx.say(body)
+        }
+    }
+--- response_body
+passed