diff --git a/Dockerfile b/Dockerfile
index 1c98cb0..a54bcce 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,7 +32,6 @@ ARG GOARCH=amd64
 # Keep Go's build cache between builds.
 # https://github.com/golang/go/issues/27719#issuecomment-514747274
 # --tags "${TAGS}"
-RUN echo "${VERSION}"
 RUN --mount=type=cache,sharing=locked,target=/go/pkg/mod \
     --mount=type=cache,target=/root/.cache/go-build \
     --mount=type=secret,id=git_creds,dst=/root/.netrc \
diff --git a/app/bff-gomono/cmd/cmd.go b/app/bff-gomono/cmd/cmd.go
index 429884a..c214ac9 100644
--- a/app/bff-gomono/cmd/cmd.go
+++ b/app/bff-gomono/cmd/cmd.go
@@ -75,7 +75,7 @@ func newApp(register *conf.Register, logger klog.Logger, regstr registry.Registr
 			hs,
 		),
 		kratos.Registrar(regstr),
-		kratos.Endpoint(&url.URL{Scheme: "http", Host: register.Endpoints[0]}),  //  指定服务地址，该地址会提交给注册中心，如果不指定，那么将注册容器内部地址，导致外部无法访问
+		kratos.Endpoint(&url.URL{Scheme: "http", Host: register.Endpoints[0]}), //  指定服务地址，该地址会提交给注册中心，如果不指定，那么将注册容器内部地址，导致外部无法访问本服务
 	)
 }
 
diff --git a/app/biz-trainer/cmd/svc-trainer.go b/app/biz-trainer/cmd/svc-trainer.go
index 08922c3..8a085d0 100644
--- a/app/biz-trainer/cmd/svc-trainer.go
+++ b/app/biz-trainer/cmd/svc-trainer.go
@@ -28,7 +28,7 @@ func newApp(register *conf.Register, logger klog.Logger, regstr registry.Registr
 			gs,
 		),
 		kratos.Registrar(regstr),
-		kratos.Endpoint(&url.URL{Scheme: "http", Host: register.Endpoints[0]}), //  指定服务地址，该地址会提交给注册中心，如果不指定，那么将注册容器内部地址，导致外部无法访问
+		kratos.Endpoint(&url.URL{Scheme: "http", Host: register.Endpoints[0]}), //  指定服务地址，该地址会提交给注册中心，如果不指定，那么将注册容器内部地址，导致外部无法访问本服务
 	)
 }
 
diff --git a/app/biz-training/cmd/svc-training.go b/app/biz-training/cmd/svc-training.go
index 7b0536f..b5cb170 100644
--- a/app/biz-training/cmd/svc-training.go
+++ b/app/biz-training/cmd/svc-training.go
@@ -28,7 +28,7 @@ func newApp(register *conf.Register, logger klog.Logger, regstr registry.Registr
 			gs,
 		),
 		kratos.Registrar(regstr),
-		kratos.Endpoint(&url.URL{Scheme: "http", Host: register.Endpoints[0]}), //  指定服务地址，该地址会提交给注册中心，如果不指定，那么将注册容器内部地址，导致外部无法访问
+		kratos.Endpoint(&url.URL{Scheme: "http", Host: register.Endpoints[0]}), //  指定服务地址，该地址会提交给注册中心，如果不指定，那么将注册容器内部地址，导致外部无法访问本服务
 	)
 }
 
diff --git a/app/common/client/metrics.go b/app/common/client/metrics.go
index 7850d66..363b325 100644
--- a/app/common/client/metrics.go
+++ b/app/common/client/metrics.go
@@ -3,6 +3,7 @@ package client
 import "github.com/prometheus/client_golang/prometheus"
 
 var (
+	// 设置 metrics 中间件统计请求耗时的 Observer 直方图
 	MetricsSeconds = prometheus.NewHistogramVec(prometheus.HistogramOpts{
 		Namespace: "server",
 		Subsystem: "requests",
@@ -10,13 +11,14 @@ var (
 		Help:      "server requests duration(sec).",
 		Buckets:   []float64{0.005, 0.01, 0.025, 0.05, 0.1, 0.250, 0.5, 1},
 	}, []string{"kind", "operation"})
-
+	// 设置 metrics 中间件统计请求计数的 Counter 计数器
 	MetricsRequests = prometheus.NewCounterVec(prometheus.CounterOpts{
 		Namespace: "client",
 		Subsystem: "requests",
 		Name:      "code_total",
 		Help:      "The total number of processed requests",
 	}, []string{"kind", "operation", "code", "reason"})
+	//  统计系统资源
 	MetricsLoads = prometheus.NewGaugeVec(prometheus.GaugeOpts{
 		Namespace: "server",
 		Subsystem: "system",
diff --git a/app/gateway-gomono/main.go b/app/gateway-gomono/main.go
index 0bab889..dacc067 100644
--- a/app/gateway-gomono/main.go
+++ b/app/gateway-gomono/main.go
@@ -134,7 +134,6 @@ func main() {
 		),
 		kratos.Metadata(map[string]string{}),
 		kratos.Logger(logger),
-		// kratos.Endpoint(&url.URL{Scheme: "http", Host: pubCfg.GatewayRegister.Endpoints[0]}), //  指定服务地址，该地址会提交给注册中心，如果不指定，那么将注册容器内部地址，导致外部无法访问
 	)
 	if err := app.Run(); err != nil {
 		l.Errorf("failed to run servers: %v", err)
diff --git a/deploy/docker/tmpl/prometheus.yml b/deploy/docker/tmpl/prometheus.yml
index a688dfb..d3ede93 100644
--- a/deploy/docker/tmpl/prometheus.yml
+++ b/deploy/docker/tmpl/prometheus.yml
@@ -26,7 +26,7 @@ scrape_configs:
     # scheme defaults to 'http'.
 
     static_configs:
-      - targets: ['localhost:{{prometheus_srv_port}}']
+      - targets: ['{{bff_host}}:{{bff_port}}']
 
   - job_name: 'nacos'
     metrics_path: '/nacos/actuator/prometheus'