Update Dockerfile

Dockerfile

@@ -15,7 +15,7 @@ RUN apt-get update && apt-get install -y git
 # 复制整个项目并构建可执行文件
 RUN git clone https://github.com/deanxv/coze-discord-proxy.git .
 
-RUN sed -i 's|router.Group("/v1")|router.Group("/api/v1")|g' /router/api-router.go
+RUN sed -i 's|router.Group("/v1")|router.Group("/api/v1")|g' /build/router/api-router.go
 
 #ENV GOPROXY=https://goproxy.cn,direct
 RUN go mod download