update

app.lua

@@ -29,5 +29,5 @@ ngx.say("pass_url: ", pass_url)
 -- require(lua_path)
 local lua_path = "app/" ..api_version .. "/app"
 ngx.say("lua_path: ", lua_path)
-model_v = require(lua_path) --require 是没问题的
-ngx.say("model_v.a: ", model_v.a)
+module = require("app/" .. api_version .. "/app") --require 是没问题的
+ngx.say("module.a: ", module.a)

app/v1/app.lua

@@ -1,2 +1,6 @@
 ngx.say("version: v1")
-a = 1
+local module = {
+    a = "some_value",
+    b = "another_value"
+}
+return module