diff --git a/README.md b/README.md
index 0bd7a746..a8626b89 100644
--- a/README.md
+++ b/README.md
@@ -184,7 +184,7 @@ docker-compose up -d
 
 ### 2. 修改配置文档
 
-先拷贝项目中的 `api/go/config.sample.toml` 配置文档，修改代理地址和管理员密码：
+先拷贝项目中的 `api/config.sample.toml` 配置文档，修改代理地址和管理员密码：
 
 如何修改请参考[修改配置文档](#2-修改配置文档)
 
@@ -287,7 +287,7 @@ server {
 3. 运行后端程序：
 
     ```shell
-    cd api/go 
+    cd api 
     # 1. 先下载依赖
     go mod tidy
     # 2. 运行程序
@@ -340,7 +340,7 @@ npm run build
 你可以根据个人需求将项目打包成 windows/linux/darwin 平台项目。
 
 ```shell
-cd api/go
+cd api
 # for all platforms
 make all
 # for linux only
diff --git a/api/go/.gitignore b/api/.gitignore
similarity index 100%
rename from api/go/.gitignore
rename to api/.gitignore
diff --git a/api/go/Makefile b/api/Makefile
similarity index 100%
rename from api/go/Makefile
rename to api/Makefile
diff --git a/api/go/README.md b/api/README.md
similarity index 100%
rename from api/go/README.md
rename to api/README.md
diff --git a/api/go/config.sample.toml b/api/config.sample.toml
similarity index 100%
rename from api/go/config.sample.toml
rename to api/config.sample.toml
diff --git a/api/go/core/app_server.go b/api/core/app_server.go
similarity index 100%
rename from api/go/core/app_server.go
rename to api/core/app_server.go
diff --git a/api/go/core/config.go b/api/core/config.go
similarity index 100%
rename from api/go/core/config.go
rename to api/core/config.go
diff --git a/api/go/core/types/chat.go b/api/core/types/chat.go
similarity index 100%
rename from api/go/core/types/chat.go
rename to api/core/types/chat.go
diff --git a/api/go/core/types/client.go b/api/core/types/client.go
similarity index 100%
rename from api/go/core/types/client.go
rename to api/core/types/client.go
diff --git a/api/go/core/types/config.go b/api/core/types/config.go
similarity index 100%
rename from api/go/core/types/config.go
rename to api/core/types/config.go
diff --git a/api/go/core/types/locked_map.go b/api/core/types/locked_map.go
similarity index 100%
rename from api/go/core/types/locked_map.go
rename to api/core/types/locked_map.go
diff --git a/api/go/core/types/session.go b/api/core/types/session.go
similarity index 100%
rename from api/go/core/types/session.go
rename to api/core/types/session.go
diff --git a/api/go/core/types/web.go b/api/core/types/web.go
similarity index 100%
rename from api/go/core/types/web.go
rename to api/core/types/web.go
diff --git a/api/go/fresh.conf b/api/fresh.conf
similarity index 100%
rename from api/go/fresh.conf
rename to api/fresh.conf
diff --git a/api/go/go.mod b/api/go.mod
similarity index 100%
rename from api/go/go.mod
rename to api/go.mod
diff --git a/api/go/go.sum b/api/go.sum
similarity index 100%
rename from api/go/go.sum
rename to api/go.sum
diff --git a/api/go/handler/admin/admin_handler.go b/api/handler/admin/admin_handler.go
similarity index 100%
rename from api/go/handler/admin/admin_handler.go
rename to api/handler/admin/admin_handler.go
diff --git a/api/go/handler/admin/api_key_handler.go b/api/handler/admin/api_key_handler.go
similarity index 100%
rename from api/go/handler/admin/api_key_handler.go
rename to api/handler/admin/api_key_handler.go
diff --git a/api/go/handler/admin/chat_role_handler.go b/api/handler/admin/chat_role_handler.go
similarity index 100%
rename from api/go/handler/admin/chat_role_handler.go
rename to api/handler/admin/chat_role_handler.go
diff --git a/api/go/handler/admin/config_handler.go b/api/handler/admin/config_handler.go
similarity index 100%
rename from api/go/handler/admin/config_handler.go
rename to api/handler/admin/config_handler.go
diff --git a/api/go/handler/admin/user_handler.go b/api/handler/admin/user_handler.go
similarity index 100%
rename from api/go/handler/admin/user_handler.go
rename to api/handler/admin/user_handler.go
diff --git a/api/go/handler/base_handler.go b/api/handler/base_handler.go
similarity index 100%
rename from api/go/handler/base_handler.go
rename to api/handler/base_handler.go
diff --git a/api/go/handler/chat_handler.go b/api/handler/chat_handler.go
similarity index 100%
rename from api/go/handler/chat_handler.go
rename to api/handler/chat_handler.go
diff --git a/api/go/handler/chat_history_handler.go b/api/handler/chat_history_handler.go
similarity index 100%
rename from api/go/handler/chat_history_handler.go
rename to api/handler/chat_history_handler.go
diff --git a/api/go/handler/chat_role_handler.go b/api/handler/chat_role_handler.go
similarity index 100%
rename from api/go/handler/chat_role_handler.go
rename to api/handler/chat_role_handler.go
diff --git a/api/go/handler/upload_handler.go b/api/handler/upload_handler.go
similarity index 100%
rename from api/go/handler/upload_handler.go
rename to api/handler/upload_handler.go
diff --git a/api/go/handler/user_handler.go b/api/handler/user_handler.go
similarity index 96%
rename from api/go/handler/user_handler.go
rename to api/handler/user_handler.go
index 4f3603fe..afc35321 100644
--- a/api/go/handler/user_handler.go
+++ b/api/handler/user_handler.go
@@ -68,11 +68,18 @@ func (h *UserHandler) Register(c *gin.Context) {
 
 	// check if the username is exists
 	var item model.User
-	tx := h.db.Where("username = ?", data.Username).First(&item)
-	if tx.RowsAffected > 0 {
+	res := h.db.Where("username = ?", data.Username).First(&item)
+	if res.RowsAffected > 0 {
 		resp.ERROR(c, "用户名已存在")
 		return
 	}
+
+	res = h.db.Where("mobile = ?", data.Mobile).First(&item)
+	if res.RowsAffected > 0 {
+		resp.ERROR(c, "该手机号码以及被注册，请更换其他手机号")
+		return
+	}
+
 	// 默认订阅所有角色
 	var chatRoles []model.ChatRole
 	h.db.Find(&chatRoles)
@@ -110,7 +117,7 @@ func (h *UserHandler) Register(c *gin.Context) {
 	} else {
 		user.Calls = config.UserInitCalls
 	}
-	res := h.db.Create(&user)
+	res = h.db.Create(&user)
 	if res.Error != nil {
 		resp.ERROR(c, "保存数据失败")
 		logger.Error(res.Error)
diff --git a/api/go/handler/verify_handler.go b/api/handler/verify_handler.go
similarity index 100%
rename from api/go/handler/verify_handler.go
rename to api/handler/verify_handler.go
diff --git a/api/java/README.md b/api/java/README.md
deleted file mode 100644
index 49be68cb..00000000
--- a/api/java/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-# chatgpt-plus-java
-
-chatgpt-plus 后端 API Java 语言实现，待开发。
-
-
diff --git a/api/go/logger/logger.go b/api/logger/logger.go
similarity index 100%
rename from api/go/logger/logger.go
rename to api/logger/logger.go
diff --git a/api/go/main.go b/api/main.go
similarity index 100%
rename from api/go/main.go
rename to api/main.go
diff --git a/api/php/README.md b/api/php/README.md
deleted file mode 100644
index 6d2f9ec0..00000000
--- a/api/php/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-# chatgpt-plus-php
-
-chatgpt-plus 后端 API PHP 语言实现，待开发。
-
-
diff --git a/api/python/README.md b/api/python/README.md
deleted file mode 100644
index c682e1c6..00000000
--- a/api/python/README.md
+++ /dev/null
@@ -1,5 +0,0 @@
-# chatgpt-plus-python
-
-chatgpt-plus 后端 API Python 语言实现，待开发。
-
-
diff --git a/api/go/res/ip2region.xdb b/api/res/ip2region.xdb
similarity index 100%
rename from api/go/res/ip2region.xdb
rename to api/res/ip2region.xdb
diff --git a/api/go/service/aliyun_sms_service.go b/api/service/aliyun_sms_service.go
similarity index 100%
rename from api/go/service/aliyun_sms_service.go
rename to api/service/aliyun_sms_service.go
diff --git a/api/go/service/sms_service.go b/api/service/sms_service.go
similarity index 100%
rename from api/go/service/sms_service.go
rename to api/service/sms_service.go
diff --git a/api/go/static/hello.txt b/api/static/hello.txt
similarity index 100%
rename from api/go/static/hello.txt
rename to api/static/hello.txt
diff --git a/api/go/store/leveldb.go b/api/store/leveldb.go
similarity index 100%
rename from api/go/store/leveldb.go
rename to api/store/leveldb.go
diff --git a/api/go/store/model/api_key.go b/api/store/model/api_key.go
similarity index 100%
rename from api/go/store/model/api_key.go
rename to api/store/model/api_key.go
diff --git a/api/go/store/model/base.go b/api/store/model/base.go
similarity index 100%
rename from api/go/store/model/base.go
rename to api/store/model/base.go
diff --git a/api/go/store/model/chat_history.go b/api/store/model/chat_history.go
similarity index 100%
rename from api/go/store/model/chat_history.go
rename to api/store/model/chat_history.go
diff --git a/api/go/store/model/chat_item.go b/api/store/model/chat_item.go
similarity index 100%
rename from api/go/store/model/chat_item.go
rename to api/store/model/chat_item.go
diff --git a/api/go/store/model/chat_role.go b/api/store/model/chat_role.go
similarity index 100%
rename from api/go/store/model/chat_role.go
rename to api/store/model/chat_role.go
diff --git a/api/go/store/model/config.go b/api/store/model/config.go
similarity index 100%
rename from api/go/store/model/config.go
rename to api/store/model/config.go
diff --git a/api/go/store/model/user.go b/api/store/model/user.go
similarity index 100%
rename from api/go/store/model/user.go
rename to api/store/model/user.go
diff --git a/api/go/store/model/user_login_log.go b/api/store/model/user_login_log.go
similarity index 100%
rename from api/go/store/model/user_login_log.go
rename to api/store/model/user_login_log.go
diff --git a/api/go/store/mysql.go b/api/store/mysql.go
similarity index 100%
rename from api/go/store/mysql.go
rename to api/store/mysql.go
diff --git a/api/go/store/vo/api_key.go b/api/store/vo/api_key.go
similarity index 100%
rename from api/go/store/vo/api_key.go
rename to api/store/vo/api_key.go
diff --git a/api/go/store/vo/base.go b/api/store/vo/base.go
similarity index 100%
rename from api/go/store/vo/base.go
rename to api/store/vo/base.go
diff --git a/api/go/store/vo/chat_history.go b/api/store/vo/chat_history.go
similarity index 100%
rename from api/go/store/vo/chat_history.go
rename to api/store/vo/chat_history.go
diff --git a/api/go/store/vo/chat_item.go b/api/store/vo/chat_item.go
similarity index 100%
rename from api/go/store/vo/chat_item.go
rename to api/store/vo/chat_item.go
diff --git a/api/go/store/vo/chat_role.go b/api/store/vo/chat_role.go
similarity index 100%
rename from api/go/store/vo/chat_role.go
rename to api/store/vo/chat_role.go
diff --git a/api/go/store/vo/config.go b/api/store/vo/config.go
similarity index 100%
rename from api/go/store/vo/config.go
rename to api/store/vo/config.go
diff --git a/api/go/store/vo/page.go b/api/store/vo/page.go
similarity index 100%
rename from api/go/store/vo/page.go
rename to api/store/vo/page.go
diff --git a/api/go/store/vo/user.go b/api/store/vo/user.go
similarity index 100%
rename from api/go/store/vo/user.go
rename to api/store/vo/user.go
diff --git a/api/go/store/vo/user_login_log.go b/api/store/vo/user_login_log.go
similarity index 100%
rename from api/go/store/vo/user_login_log.go
rename to api/store/vo/user_login_log.go
diff --git a/api/go/test/data.txt b/api/test/data.txt
similarity index 100%
rename from api/go/test/data.txt
rename to api/test/data.txt
diff --git a/api/go/test/test.go b/api/test/test.go
similarity index 100%
rename from api/go/test/test.go
rename to api/test/test.go
diff --git a/api/go/utils/common.go b/api/utils/common.go
similarity index 100%
rename from api/go/utils/common.go
rename to api/utils/common.go
diff --git a/api/go/utils/crypto.go b/api/utils/crypto.go
similarity index 100%
rename from api/go/utils/crypto.go
rename to api/utils/crypto.go
diff --git a/api/go/utils/openai.go b/api/utils/openai.go
similarity index 100%
rename from api/go/utils/openai.go
rename to api/utils/openai.go
diff --git a/api/go/utils/resp/response.go b/api/utils/resp/response.go
similarity index 100%
rename from api/go/utils/resp/response.go
rename to api/utils/resp/response.go
diff --git a/api/go/utils/strings.go b/api/utils/strings.go
similarity index 97%
rename from api/go/utils/strings.go
rename to api/utils/strings.go
index ad400d61..7bdd1da1 100644
--- a/api/go/utils/strings.go
+++ b/api/utils/strings.go
@@ -25,6 +25,7 @@ func RandomNumber(bit int) int {
 	min := intPow(10, bit-1)
 	max := intPow(10, bit) - 1
 
+	rand.Seed(time.Now().UnixNano())
 	return rand.Intn(max-min+1) + min
 }
 
diff --git a/api/go/utils/user.go b/api/utils/user.go
similarity index 100%
rename from api/go/utils/user.go
rename to api/utils/user.go