diff --git a/funcs/funcs.go b/funcs/funcs.go
index 3f646a3..fd96b98 100644
--- a/funcs/funcs.go
+++ b/funcs/funcs.go
@@ -1,77 +1,36 @@
 package funcs
 
 import (
-	"io"
-	"io/fs"
-	"net/http"
-	"time"
+	"context"
 
+	"github.com/jackc/pgx/v4"
 	"github.com/phuslu/log"
-
-	"github.com/gin-gonic/gin"
 )
 
-func headheader(f fs.File, c *gin.Context) (nocontent bool) {
-	stats, err := f.Stat()
-	if c.Request.Method == "HEAD" {
-		nocontent = true
+//PGXLogger is an struct to intergrate the Logger Interface of pgx
+type PGXLogger struct{}
+
+// Log sends the logging data to phuslu/log
+func (PGXLogger) Log(ctx context.Context, level pgx.LogLevel, msg string, data map[string]interface{}) {
+	var entry *log.Entry
+	switch level {
+	case pgx.LogLevelDebug:
+		entry = log.Debug()
+	case pgx.LogLevelError:
+		entry = log.Error()
+	case pgx.LogLevelInfo:
+		entry = log.Info()
+	case pgx.LogLevelTrace:
+		entry = log.Trace()
+	case pgx.LogLevelWarn:
+		entry = log.Warn()
+	default:
+		entry = log.Info()
 	}
-	if err != nil {
-		log.Error().Err(err).Msg("Cant get info of file")
-		return
+	for key, value := range data {
+		entry = entry.Interface(key, value)
 	}
-	c.Writer.Header().Set("Last-Modified", stats.ModTime().Format(time.RFC1123))
-	if t, err := time.Parse(time.RFC1123, c.GetHeader("If-Modified-Since")); stats.ModTime().After(t) && err == nil {
-		nocontent = true
-	}
-	if nocontent {
-		c.Status(http.StatusNotModified)
-	}
-	return
+	entry.Msg(msg)
 }
 
-func makeHandler(f fs.FS, name string) gin.HandlerFunc {
-	return func(c *gin.Context) {
-		content, err := f.Open(name)
-		if err != nil {
-			switch err {
-			case fs.ErrNotExist:
-				c.AbortWithStatus(404)
-			default:
-				c.AbortWithError(500, err)
-			}
-			return
-		}
-		if headheader(content, c) {
-			return
-		}
-		c.Status(200)
-		io.Copy(c.Writer, content)
-	}
-}
-
-// StaticFS is an Handler for Staticfiles that doesn't use globs and uses a fs.FS
-func StaticFS(r gin.IRouter, files fs.FS) {
-	if files == nil {
-		return
-	}
-	fns, err := fs.ReadDir(files, ".")
-	if err != nil {
-		log.Error().Err(err).Msg("Error while reading this file.")
-		return
-	}
-	for _, fn := range fns {
-		if fn.IsDir() {
-			sub, _ := fs.Sub(files, fn.Name())
-			StaticFS(r.Group("/"+fn.Name()), sub)
-		} else {
-			h := makeHandler(files, fn.Name())
-			if fn.Name() == "index.html" {
-				r.GET("/", h)
-				r.HEAD("/", h)
-			}
-			r.GET("/"+fn.Name(), h)
-			r.HEAD("/"+fn.Name(), h)
-		}
-	}
-}
+var _ pgx.Logger = PGXLogger{}
diff --git a/funcs/go1.16.go b/funcs/go1.16.go
new file mode 100644
index 0000000..807bfc8
--- /dev/null
+++ b/funcs/go1.16.go
@@ -0,0 +1,78 @@
+// +build go1.16
+
+package funcs
+
+import (
+	"io"
+	"io/fs"
+	"net/http"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/phuslu/log"
+)
+
+func headheader(f fs.File, c *gin.Context) (nocontent bool) {
+	stats, err := f.Stat()
+	if c.Request.Method == "HEAD" {
+		nocontent = true
+	}
+	if err != nil {
+		log.Error().Err(err).Msg("Cant get info of file")
+		return
+	}
+	c.Writer.Header().Set("Last-Modified", stats.ModTime().Format(time.RFC1123))
+	if t, err := time.Parse(time.RFC1123, c.GetHeader("If-Modified-Since")); stats.ModTime().After(t) && err == nil {
+		nocontent = true
+	}
+	if nocontent {
+		c.Status(http.StatusNotModified)
+	}
+	return
+}
+
+func makeHandler(f fs.FS, name string) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		content, err := f.Open(name)
+		if err != nil {
+			switch err {
+			case fs.ErrNotExist:
+				c.AbortWithStatus(404)
+			default:
+				c.AbortWithError(500, err)
+			}
+			return
+		}
+		if headheader(content, c) {
+			return
+		}
+		c.Status(200)
+		io.Copy(c.Writer, content)
+	}
+}
+
+// StaticFS is an Handler for Staticfiles that doesn't use globs and uses a fs.FS
+func StaticFS(r gin.IRouter, files fs.FS) {
+	if files == nil {
+		return
+	}
+	fns, err := fs.ReadDir(files, ".")
+	if err != nil {
+		log.Error().Err(err).Msg("Error while reading this file.")
+		return
+	}
+	for _, fn := range fns {
+		if fn.IsDir() {
+			sub, _ := fs.Sub(files, fn.Name())
+			StaticFS(r.Group("/"+fn.Name()), sub)
+		} else {
+			h := makeHandler(files, fn.Name())
+			if fn.Name() == "index.html" {
+				r.GET("/", h)
+				r.HEAD("/", h)
+			}
+			r.GET("/"+fn.Name(), h)
+			r.HEAD("/"+fn.Name(), h)
+		}
+	}
+}
diff --git a/funcs/funcs_test.go b/funcs/go1.16_test.go
similarity index 99%
rename from funcs/funcs_test.go
rename to funcs/go1.16_test.go
index d43e243..edcfac0 100644
--- a/funcs/funcs_test.go
+++ b/funcs/go1.16_test.go
@@ -1,3 +1,5 @@
+// +build go1.16
+
 package funcs_test
 
 import (