diff --git a/cmd/gf/go.sum b/cmd/gf/go.sum
index 349b148ec49..e7419182421 100644
--- a/cmd/gf/go.sum
+++ b/cmd/gf/go.sum
@@ -38,6 +38,20 @@ github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiU
 github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
 github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
+github.com/gogf/gf/contrib/drivers/clickhouse/v2 v2.6.1 h1:ECineDg2mz0fJgfh8Pyh7xwPC8MN/nHSyfsLD0qtrE0=
+github.com/gogf/gf/contrib/drivers/clickhouse/v2 v2.6.1/go.mod h1:wlqfsjkIw3ZLEbcns5jK5urj1lt2JLweaqB+OlduRl0=
+github.com/gogf/gf/contrib/drivers/mssql/v2 v2.6.1 h1:zXb/nRPY0li156jsNi/rxWGbYavAGtwTxMICR4LgWHY=
+github.com/gogf/gf/contrib/drivers/mssql/v2 v2.6.1/go.mod h1:D656f3UfkAClrCRDdxzxTLQMRK0uUdEeYni1snrb1lk=
+github.com/gogf/gf/contrib/drivers/mysql/v2 v2.6.1 h1:5VW1vlaFNSHHhMliRkGTcDshMeA52Il8T+gffJJaVMc=
+github.com/gogf/gf/contrib/drivers/mysql/v2 v2.6.1/go.mod h1:jxCa1WV/W+q0F4ILebakUsqRrl7iL3qvP+Uci0eXAew=
+github.com/gogf/gf/contrib/drivers/oracle/v2 v2.6.1 h1:QM0zsffHNdC9x6zqE3KOqYnKWEQBT/7ECpULgnlqjtk=
+github.com/gogf/gf/contrib/drivers/oracle/v2 v2.6.1/go.mod h1:SPO91lVTmgjyac+oScIZ26YImXZbAt7Hg2oYf0yY8ZA=
+github.com/gogf/gf/contrib/drivers/pgsql/v2 v2.6.1 h1:IWH966gjaYxzhd5nWnXmDJUjtaN7yqjYoUoQELdvIRc=
+github.com/gogf/gf/contrib/drivers/pgsql/v2 v2.6.1/go.mod h1:enh1sJjlSTaG6J65gsHJYaFknNpo1AXkYQ7IwWDn/OM=
+github.com/gogf/gf/contrib/drivers/sqlite/v2 v2.6.1 h1:UkstnZnbvjun3bq0W4hnChPmxlKyPB5ECkrXuHymjSA=
+github.com/gogf/gf/contrib/drivers/sqlite/v2 v2.6.1/go.mod h1:KwBF4Cu+VNZJajzcyy/jAicGJ/4rcYJl7OYhFB36Kpk=
+github.com/gogf/gf/v2 v2.6.1 h1:n/cfXM506WjhPa6Z1CEDuHNM1XZ7C8JzSDPn2AfuxgQ=
+github.com/gogf/gf/v2 v2.6.1/go.mod h1:x2XONYcI4hRQ/4gMNbWHmZrNzSEIg20s2NULbzom5k0=
 github.com/gogf/selfupdate v0.0.0-20231215043001-5c48c528462f h1:7xfXR/BhG3JDqO1s45n65Oyx9t4E/UqDOXep6jXdLCM=
 github.com/gogf/selfupdate v0.0.0-20231215043001-5c48c528462f/go.mod h1:HnYoio6S7VaFJdryKcD/r9HgX+4QzYfr00XiXUo/xz0=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
diff --git a/example/go.mod b/example/go.mod
index b4ee15026c0..7406a2ceeaf 100644
--- a/example/go.mod
+++ b/example/go.mod
@@ -1,6 +1,6 @@
 module github.com/gogf/gf/example
 
-go 1.20
+go 1.18
 
 require (
 	github.com/gogf/gf/contrib/config/apollo/v2 v2.6.1
@@ -22,6 +22,7 @@ require (
 	github.com/hashicorp/go-cleanhttp v0.5.2
 	github.com/nacos-group/nacos-sdk-go v1.1.4
 	github.com/polarismesh/polaris-go v1.5.5
+	github.com/prometheus/client_golang v1.17.0
 	golang.org/x/time v0.3.0
 	google.golang.org/grpc v1.59.0
 	google.golang.org/protobuf v1.31.0
@@ -93,7 +94,6 @@ require (
 	github.com/pelletier/go-toml v1.9.3 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/polarismesh/specification v1.4.1 // indirect
-	github.com/prometheus/client_golang v1.17.0 // indirect
 	github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16 // indirect
 	github.com/prometheus/common v0.44.0 // indirect
 	github.com/prometheus/procfs v0.11.1 // indirect
diff --git a/example/metric/prometheus/prometheus.go b/example/metric/prometheus/prometheus.go
new file mode 100644
index 00000000000..d76dc31ee24
--- /dev/null
+++ b/example/metric/prometheus/prometheus.go
@@ -0,0 +1,51 @@
+package main
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/net/ghttp"
+	"github.com/gogf/gf/v2/util/grand"
+)
+
+// Demo metric type Counter
+var metricCounter = promauto.NewCounter(
+	prometheus.CounterOpts{
+		Name: "demo_counter",
+		Help: "A demo counter.",
+	},
+)
+
+// Demo metric type Gauge.
+var metricGauge = promauto.NewGauge(
+	prometheus.GaugeOpts{
+		Name: "demo_gauge",
+		Help: "A demo gauge.",
+	},
+)
+
+func main() {
+	// Create prometheus metric registry.
+	registry := prometheus.NewRegistry()
+	registry.MustRegister(
+		metricCounter,
+		metricGauge,
+	)
+
+	// Start metric http server.
+	s := g.Server()
+	s.SetPort(8000)
+	// Fake metric values.
+	// http://127.0.0.1:8000/
+	s.BindHandler("/", func(r *ghttp.Request) {
+		metricCounter.Add(1)
+		metricGauge.Set(float64(grand.N(1, 100)))
+		r.Response.Write("fake ok")
+	})
+	// Export metric values.
+	// You can view http://127.0.0.1:8000/metrics to see all metric values.
+	s.BindHandler("/metrics", ghttp.WrapH(promhttp.Handler()))
+	s.Run()
+}