diff --git a/lua/avante/providers/azure.lua b/lua/avante/providers/azure.lua
index bfd9c71..851c30f 100644
--- a/lua/avante/providers/azure.lua
+++ b/lua/avante/providers/azure.lua
@@ -13,7 +13,14 @@ local M = {}
 
 M.api_key_name = "AZURE_OPENAI_API_KEY"
 
-M.parse_message = O.parse_message
+M.parse_message = function(opts)
+  local user_content = O.get_user_message(opts)
+  return {
+    { role = "system", content = opts.system_prompt },
+    { role = "user", content = user_content },
+  }
+end
+
 M.parse_response = O.parse_response
 
 M.parse_curl_args = function(provider, code_opts)
diff --git a/lua/avante/providers/copilot.lua b/lua/avante/providers/copilot.lua
index 5875acf..bb8dc3f 100644
--- a/lua/avante/providers/copilot.lua
+++ b/lua/avante/providers/copilot.lua
@@ -42,12 +42,6 @@ M.copilot = nil
 
 local H = {}
 
-local version_headers = {
-  ["editor-version"] = "Neovim/" .. vim.version().major .. "." .. vim.version().minor .. "." .. vim.version().patch,
-  ["editor-plugin-version"] = "avante.nvim/0.0.0",
-  ["user-agent"] = "AvanteNvim/0.0.0",
-}
-
 ---@return string | nil
 H.find_config_path = function()
   local config = vim.fn.expand("$XDG_CONFIG_HOME")
@@ -120,25 +114,31 @@ M.has = function()
   return false
 end
 
-M.parse_message = O.parse_message
+M.parse_message = function(opts)
+  local user_content = O.get_user_message(opts)
+  return {
+    { role = "system", content = opts.system_prompt },
+    { role = "user", content = user_content },
+  }
+end
+
 M.parse_response = O.parse_response
 
 M.parse_curl_args = function(provider, code_opts)
-  local base, body_opts = P.parse_config(provider)
-
   M.refresh_token()
 
+  local base, body_opts = P.parse_config(provider)
+
   return {
     url = Utils.trim(base.endpoint, { suffix = "/" }) .. "/chat/completions",
+    timeout = base.timeout,
     proxy = base.proxy,
     insecure = base.allow_insecure,
-    headers = vim.tbl_deep_extend("error", {
-      ["authorization"] = "Bearer " .. M.copilot.token.token,
-      ["copilot-integration-id"] = "vscode-chat",
-      ["openai-organization"] = "github-copilot",
-      ["openai-intent"] = "conversation-panel",
-      ["content-type"] = "application/json",
-    }, version_headers),
+    headers = {
+      ["Authorization"] = "Bearer " .. M.copilot.token.token,
+      ["Content-Type"] = "application/json",
+      ["editor-version"] = "Neovim/" .. vim.version().major .. "." .. vim.version().minor .. "." .. vim.version().patch,
+    },
     body = vim.tbl_deep_extend("force", {
       model = base.model,
       n = 1,
@@ -151,16 +151,23 @@ end
 
 M.on_error = function(result)
   Utils.error("Received error from Copilot API: " .. result.body, { once = true, title = "Avante" })
+  Utils.debug(result)
 end
 
 M.refresh_token = function()
   if not M.copilot.token or (M.copilot.token.expires_at and M.copilot.token.expires_at <= math.floor(os.time())) then
     curl.get("https://api.github.com/copilot_internal/v2/token", {
       timeout = Config.copilot.timeout,
-      headers = vim.tbl_deep_extend("error", {
+      headers = {
         ["Authorization"] = "token " .. M.copilot.github_token,
         ["Accept"] = "application/json",
-      }, version_headers),
+        ["editor-version"] = "Neovim/"
+          .. vim.version().major
+          .. "."
+          .. vim.version().minor
+          .. "."
+          .. vim.version().patch,
+      },
       proxy = Config.copilot.proxy,
       insecure = Config.copilot.allow_insecure,
       on_error = function(err)
@@ -185,9 +192,8 @@ M.setup = function()
 
   if not M.copilot then
     M.copilot = { token = nil, github_token = github_token }
+    M.refresh_token()
   end
-
-  M.refresh_token()
 end
 
 return M
diff --git a/lua/avante/providers/init.lua b/lua/avante/providers/init.lua
index be6c538..453c580 100644
--- a/lua/avante/providers/init.lua
+++ b/lua/avante/providers/init.lua
@@ -301,11 +301,8 @@ function M.refresh(provider)
 
   ---@type AvanteProviderFunctor
   local p = M[Config.provider]
-  if not p.has() then
-    E.setup({ provider = p, refresh = true })
-  else
-    Utils.info("Switch to provider: " .. provider, { once = true, title = "Avante" })
-  end
+  E.setup({ provider = p, refresh = true })
+  Utils.info("Switch to provider: " .. provider, { once = true, title = "Avante" })
 end
 
 local default_providers = { "openai", "claude", "azure", "gemini", "copilot" }
diff --git a/lua/avante/providers/openai.lua b/lua/avante/providers/openai.lua
index 4076ecf..00ac2be 100644
--- a/lua/avante/providers/openai.lua
+++ b/lua/avante/providers/openai.lua
@@ -27,7 +27,8 @@ local M = {}
 
 M.api_key_name = "OPENAI_API_KEY"
 
-M.parse_message = function(opts)
+---@param opts AvantePromptOptions
+M.get_user_message = function(opts)
   local user_prompt = opts.base_prompt
     .. "\n\nCODE:\n"
     .. "```"
@@ -56,6 +57,10 @@ M.parse_message = function(opts)
       .. opts.question
   end
 
+  return user_prompt
+end
+
+M.parse_message = function(opts)
   local user_content = {}
   if Config.behaviour.support_paste_from_clipboard and Clipboard.has_content() then
     table.insert(user_content, {
@@ -66,7 +71,7 @@ M.parse_message = function(opts)
     })
   end
 
-  table.insert(user_content, { type = "text", text = user_prompt })
+  table.insert(user_content, { type = "text", text = M.get_user_message(opts) })
 
   return {
     { role = "system", content = opts.system_prompt },