weapp: fix code session api

app/controllers/weapps/code_sessions_controller.rb

@@ -16,7 +16,7 @@ class Weapps::CodeSessionsController < Weapps::BaseController
       user_info = Wechat::Weapp.decrypt(result['session_key'], params[:encrypted_data], params[:iv])
 
       # 老用户，已绑定
-      open_user = OpenUsers::Wechat.find_by(uid: user_info['unionid'])
+      open_user = OpenUsers::Wechat.find_by(uid: user_info['unionId'])
       if open_user.present? && open_user.user
         successful_authentication(open_user.user)
         logged = true

app/libs/wechat/client.rb

@@ -53,13 +53,13 @@ class Wechat::Client
   private
 
   def request(method, url, **params)
-    Rails.logger.error("[wechat] request: #{method} #{url} #{params.except(:secret).inspect}")
+    Rails.logger.info("[wechat] request: #{method} #{url} #{params.except(:secret).inspect}")
 
     client = Faraday.new(url: BASE_SITE)
     response = client.public_send(method, url, params)
     result = JSON.parse(response.body)
 
-    Rails.logger.error("[wechat] response:#{response.status} #{result.inspect}")
+    Rails.logger.info("[wechat] response:#{response.status} #{result.inspect}")
 
     if response.status != 200
       raise Wechat::Error.parse(result)