diff --git a/pkg/cache/metrics.go b/pkg/cache/metrics.go
new file mode 100644
index 000000000..9203b9bc3
--- /dev/null
+++ b/pkg/cache/metrics.go
@@ -0,0 +1,22 @@
+package cache
+
+import "github.com/bilibili/kratos/pkg/stat/metric"
+
+const _metricNamespace = "cache"
+
+var (
+	MetricHits = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: _metricNamespace,
+		Subsystem: "",
+		Name:      "hits_total",
+		Help:      "cache hits total.",
+		Labels:    []string{"name"},
+	})
+	MetricMisses = metric.NewCounterVec(&metric.CounterVecOpts{
+		Namespace: _metricNamespace,
+		Subsystem: "",
+		Name:      "misses_total",
+		Help:      "cache misses total.",
+		Labels:    []string{"name"},
+	})
+)
diff --git a/tool/kratos-gen-bts/header_template.go b/tool/kratos-gen-bts/header_template.go
index c19d79494..3d5d56292 100644
--- a/tool/kratos-gen-bts/header_template.go
+++ b/tool/kratos-gen-bts/header_template.go
@@ -17,7 +17,7 @@ import (
 	"context"
 	{{if .EnableBatch }}"sync"{{end}}
 NEWLINE
-	"github.com/bilibili/kratos/pkg/stat/metric"
+	"github.com/bilibili/kratos/pkg/cache"
 	{{if .EnableBatch }}"github.com/bilibili/kratos/pkg/sync/errgroup"{{end}}
 	{{.ImportPackage}}
 NEWLINE
@@ -26,8 +26,6 @@ NEWLINE
 
 var (
 	_ _bts
-	_metricHits = metric.NewBusinessMetricCount("hits_total", "name")
-	_metricMisses = metric.NewBusinessMetricCount("misses_total", "name")
 )
 {{if .EnableSingleFlight}}
 var cacheSingleFlights = [SFCOUNT]*singleflight.Group{SFINIT} 
diff --git a/tool/kratos-gen-bts/multi_template.go b/tool/kratos-gen-bts/multi_template.go
index 0343aa054..6d4ffcffa 100644
--- a/tool/kratos-gen-bts/multi_template.go
+++ b/tool/kratos-gen-bts/multi_template.go
@@ -26,7 +26,7 @@ func (d *Dao) NAME(c context.Context, {{.IDName}} []KEY{{.ExtraArgsType}}) (res
 			miss = append(miss, key)
 		}
 	}
-	_metricHits.Add(float64(len({{.IDName}}) - len(miss)), "NAME")
+	cache.MetricHits.Add(float64(len({{.IDName}}) - len(miss)), "bts:NAME")
 	{{if .EnableNullCache}}
 	for k, v := range res {
 		{{if .SimpleValue}} if v == {{.NullCache}} { {{else}} if {{.CheckNullCode}} { {{end}}
@@ -47,14 +47,14 @@ func (d *Dao) NAME(c context.Context, {{.IDName}} []KEY{{.ExtraArgsType}}) (res
 		var rr interface{}
 		sf := d.cacheSFNAME({{.IDName}} {{.ExtraArgs}})
 		rr, err, _ = cacheSingleFlights[SFNUM].Do(sf, func() (r interface{}, e error) {
-			_metricMisses.Add(float64(len(miss)), "NAME")
+			cache.MetricMisses.Add(float64(len(miss)), "bts:NAME")
 			r, e = RAWFUNC(c, miss {{.ExtraRawArgs}})
 			return
 		})
 		missData = rr.(map[KEY]VALUE)
 	{{else}}
 		{{if .EnableBatch}}
-			_metricMisses.Add(int64(missLen), "NAME")
+			cache.MetricMisses.Add(float64(missLen), "bts:NAME")
 			var mutex sync.Mutex
 			{{if .BatchErrBreak}}
 				group := errgroup.WithCancel(c)
@@ -87,7 +87,7 @@ func (d *Dao) NAME(c context.Context, {{.IDName}} []KEY{{.ExtraArgsType}}) (res
 			}
 			err = group.Wait()
 		{{else}}
-			_metricMisses.Add(int64(len(miss)), "NAME")
+			cache.MetricMisses.Add(float64(len(miss)), "bts:NAME")
 			missData, err = RAWFUNC(c, miss {{.ExtraRawArgs}})
 		{{end}}
 	{{end}}
diff --git a/tool/kratos-gen-bts/none_template.go b/tool/kratos-gen-bts/none_template.go
index b26627c18..dfdf53ab8 100644
--- a/tool/kratos-gen-bts/none_template.go
+++ b/tool/kratos-gen-bts/none_template.go
@@ -21,20 +21,20 @@ func (d *Dao) NAME(c context.Context) (res VALUE, err error) {
 	{{else}}
 	if res != {{.ZeroValue}} {
 	{{end}}
-		_metricHits.Incr("NAME")
+		cache.MetricHits.Inc("bts:NAME")
 		return
 	}
 	{{if .EnableSingleFlight}}
 		var rr interface{}
 		sf := d.cacheSFNAME()
 		rr, err, _ = cacheSingleFlights[SFNUM].Do(sf, func() (r interface{}, e error) {
-			_metricMisses.Incr("NAME")
+			cache.MetricMisses.Inc("bts:NAME")
 			r, e = RAWFUNC(c)
 			return
 		})
 		res = rr.(VALUE)
 	{{else}}
-		_metricMisses.Incr("NAME")
+		cache.MetricMisses.Inc("bts:NAME")
 		res, err = RAWFUNC(c)
 	{{end}}
 	if err != nil {
diff --git a/tool/kratos-gen-bts/single_template.go b/tool/kratos-gen-bts/single_template.go
index 9d5da90f7..7d3219e1f 100644
--- a/tool/kratos-gen-bts/single_template.go
+++ b/tool/kratos-gen-bts/single_template.go
@@ -21,7 +21,7 @@ func (d *Dao) NAME(c context.Context, {{.IDName}} KEY{{.ExtraArgsType}}) (res VA
 	{{else}}
 	if res != {{.ZeroValue}} {
 	{{end}}
-	prom.CacheHit.Incr("NAME")
+	cache.MetricHits.Inc("bts:NAME")
 		return
 	}
 	{{if .EnablePaging}}
@@ -31,7 +31,7 @@ func (d *Dao) NAME(c context.Context, {{.IDName}} KEY{{.ExtraArgsType}}) (res VA
 		var rr interface{}
 		sf := d.cacheSFNAME({{.IDName}} {{.ExtraArgs}})
 		rr, err, _ = cacheSingleFlights[SFNUM].Do(sf, func() (r interface{}, e error) {
-			prom.CacheMiss.Incr("NAME")
+			cache.MetricMisses.Inc("bts:NAME")
 			{{if .EnablePaging}}
 				var rrs [2]interface{}
 				rrs[0], rrs[1], e = RAWFUNC(c, {{.IDName}} {{.ExtraRawArgs}})
@@ -48,7 +48,7 @@ func (d *Dao) NAME(c context.Context, {{.IDName}} KEY{{.ExtraArgsType}}) (res VA
 			res = rr.(VALUE)
 		{{end}}
 	{{else}}
-		prom.CacheMiss.Incr("NAME")
+		cache.MetricMisses.Inc("bts:NAME")
 		{{if .EnablePaging}}
 		res, miss, err = RAWFUNC(c, {{.IDName}} {{.ExtraRawArgs}})
 		{{else}}
diff --git a/tool/kratos-gen-mc/header_template.go b/tool/kratos-gen-mc/header_template.go
index e73d0bab8..b0237c6a6 100644
--- a/tool/kratos-gen-mc/header_template.go
+++ b/tool/kratos-gen-mc/header_template.go
@@ -19,7 +19,6 @@ import (
 	{{if .UseStrConv}}"strconv"{{end}}
 	{{if .EnableBatch }}"sync"{{end}}
 NEWLINE
-	"github.com/bilibili/kratos/pkg/stat/metric"
 	{{if .UseMemcached }}"github.com/bilibili/kratos/pkg/cache/memcache"{{end}}
 	{{if .EnableBatch }}"github.com/bilibili/kratos/pkg/sync/errgroup"{{end}}
 	"github.com/bilibili/kratos/pkg/log"
@@ -28,6 +27,5 @@ NEWLINE
 
 var (
 	_ _mc
-	_metricErrCount = metric.NewBusinessMetricCount("mc_error_total", "NAME")
 )
 `
diff --git a/tool/kratos-gen-mc/multi_template.go b/tool/kratos-gen-mc/multi_template.go
index 229e06eae..214adad76 100644
--- a/tool/kratos-gen-mc/multi_template.go
+++ b/tool/kratos-gen-mc/multi_template.go
@@ -44,7 +44,6 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 					}
 					replies, err := d.mc.GetMulti(c, keys)
 					if err != nil {
-						_metricErrCount.Inc("NAME")
 						log.Errorv(ctx, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("keys", keys))
 						return
 					}
@@ -67,14 +66,12 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 							{{end}}
 						{{end}}
 						if err != nil {
-							_metricErrCount.Inc("NAME")
 							log.Errorv(ctx, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 							return
 						}
 						{{if .GetSimpleValue}}
 							r, err := {{.ConvertBytes2Value}}
 							if err != nil {
-								_metricErrCount.Inc("NAME")
 								log.Errorv(ctx, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 								return res, err
 							}
@@ -114,7 +111,6 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 		}
 		replies, err := d.mc.GetMulti(c, keys)
 		if err != nil {
-			_metricErrCount.Inc("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("keys", keys))
 			return
 		}
@@ -132,14 +128,12 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 				{{end}}
 			{{end}}
 			if err != nil {
-				_metricErrCount.Inc("NAME")
 				log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 				return
 			}
 			{{if .GetSimpleValue}}
 				r, err := {{.ConvertBytes2Value}}
 				if err != nil {
-					_metricErrCount.Inc("NAME")
 					log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 					return res, err
 				}
@@ -174,7 +168,6 @@ func (d *{{.StructName}}) NAME(c context.Context, values map[KEY]VALUE {{.ExtraA
 			item := &memcache.Item{Key: key, Object: val, Expiration: {{.ExpireCode}}, Flags: {{.Encode}}}
 		{{end}}
 		if err = d.mc.Set(c, item); err != nil {
-			_metricErrCount.Inc("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -198,7 +191,6 @@ func (d *{{.StructName}}) NAME(c context.Context, ids []KEY {{.ExtraArgsType}})
 				err = nil
 				continue
 			}
-			_metricErrCount.Inc("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
diff --git a/tool/kratos-gen-mc/none_template.go b/tool/kratos-gen-mc/none_template.go
index c3dda3cad..fb7a28353 100644
--- a/tool/kratos-gen-mc/none_template.go
+++ b/tool/kratos-gen-mc/none_template.go
@@ -37,14 +37,12 @@ func (d *{{.StructName}}) NAME(c context.Context) (res VALUE, err error) {
 			return
 		}
 		{{end}}
-		_metricErrCount.Inc("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
 	{{if .GetSimpleValue}}
 		r, err := {{.ConvertBytes2Value}}
 		if err != nil {
-			_metricErrCount.Inc("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -75,7 +73,6 @@ func (d *{{.StructName}}) NAME(c context.Context, val VALUE) (err error) {
 		item := &memcache.Item{Key: key, Object: val, Expiration: {{.ExpireCode}}, Flags: {{.Encode}}}
 	{{end}}
 	if err = d.mc.Set(c, item); err != nil {
-		_metricErrCount.Inc("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -94,7 +91,6 @@ func (d *{{.StructName}}) NAME(c context.Context) (err error) {
 			err = nil
 			return
 		}
-		_metricErrCount.Inc("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
diff --git a/tool/kratos-gen-mc/single_template.go b/tool/kratos-gen-mc/single_template.go
index ba07ece52..b7a111cc4 100644
--- a/tool/kratos-gen-mc/single_template.go
+++ b/tool/kratos-gen-mc/single_template.go
@@ -36,14 +36,12 @@ func (d *{{.StructName}}) NAME(c context.Context, id KEY {{.ExtraArgsType}}) (re
 			return
 		}
 		{{end}}
-		_metricErrCount.Inc("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
 	{{if .GetSimpleValue}}
 		r, err := {{.ConvertBytes2Value}}
 		if err != nil {
-			_metricErrCount.Incr("NAME")
 			log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 			return
 		}
@@ -74,7 +72,6 @@ func (d *{{.StructName}}) NAME(c context.Context, id KEY, val VALUE {{.ExtraArgs
 		item := &memcache.Item{Key: key, Object: val, Expiration: {{.ExpireCode}}, Flags: {{.Encode}}}
 	{{end}}
 	if err = d.mc.Set(c, item); err != nil {
-		_metricErrCount.Incr("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
@@ -93,7 +90,6 @@ func (d *{{.StructName}}) NAME(c context.Context, id KEY {{.ExtraArgsType}}) (er
 			err = nil
 			return
 		}
-		_metricErrCount.Incr("NAME")
 		log.Errorv(c, log.KV("NAME", fmt.Sprintf("%+v", err)), log.KV("key", key))
 		return
 	}
diff --git a/tool/kratos/tool_index.go b/tool/kratos/tool_index.go
index 67a6ba753..1a5edb73b 100644
--- a/tool/kratos/tool_index.go
+++ b/tool/kratos/tool_index.go
@@ -33,7 +33,7 @@ var toolIndexs = []*Tool{
 	&Tool{
 		Name:      "genbts",
 		Alias:     "kratos-gen-bts",
-		BuildTime: time.Date(2019, 7, 20, 0, 0, 0, 0, time.Local),
+		BuildTime: time.Date(2019, 7, 23, 0, 0, 0, 0, time.Local),
 		Install:   "go get -u github.com/bilibili/kratos/tool/kratos-gen-bts",
 		Summary:   "缓存回源逻辑代码生成器",
 		Platform:  []string{"darwin", "linux", "windows"},
@@ -42,7 +42,7 @@ var toolIndexs = []*Tool{
 	&Tool{
 		Name:      "genmc",
 		Alias:     "kratos-gen-mc",
-		BuildTime: time.Date(2019, 7, 20, 0, 0, 0, 0, time.Local),
+		BuildTime: time.Date(2019, 7, 23, 0, 0, 0, 0, time.Local),
 		Install:   "go get -u github.com/bilibili/kratos/tool/kratos-gen-mc",
 		Summary:   "mc缓存代码生成",
 		Platform:  []string{"darwin", "linux", "windows"},