增加当前节点本地定时缓存，修改部分潜在BUG，启动时Mongo或者redis无法正常连接时，进入启动等待

backend/vendor/github.com/gin-gonic/gin/render/json.go

@@ -10,6 +10,7 @@ import (
 	"html/template"
 	"net/http"
 
+	"github.com/gin-gonic/gin/internal/bytesconv"
 	"github.com/gin-gonic/gin/internal/json"
 )
 
@@ -100,8 +101,9 @@ func (r SecureJSON) Render(w http.ResponseWriter) error {
 		return err
 	}
 	// if the jsonBytes is array values
-	if bytes.HasPrefix(jsonBytes, []byte("[")) && bytes.HasSuffix(jsonBytes, []byte("]")) {
-		_, err = w.Write([]byte(r.Prefix))
+	if bytes.HasPrefix(jsonBytes, bytesconv.StringToBytes("[")) && bytes.HasSuffix(jsonBytes,
+		bytesconv.StringToBytes("]")) {
+		_, err = w.Write(bytesconv.StringToBytes(r.Prefix))
 		if err != nil {
 			return err
 		}
@@ -129,11 +131,11 @@ func (r JsonpJSON) Render(w http.ResponseWriter) (err error) {
 	}
 
 	callback := template.JSEscapeString(r.Callback)
-	_, err = w.Write([]byte(callback))
+	_, err = w.Write(bytesconv.StringToBytes(callback))
 	if err != nil {
 		return err
 	}
-	_, err = w.Write([]byte("("))
+	_, err = w.Write(bytesconv.StringToBytes("("))
 	if err != nil {
 		return err
 	}
@@ -141,7 +143,7 @@ func (r JsonpJSON) Render(w http.ResponseWriter) (err error) {
 	if err != nil {
 		return err
 	}
-	_, err = w.Write([]byte(")"))
+	_, err = w.Write(bytesconv.StringToBytes(");"))
 	if err != nil {
 		return err
 	}
@@ -163,7 +165,7 @@ func (r AsciiJSON) Render(w http.ResponseWriter) (err error) {
 	}
 
 	var buffer bytes.Buffer
-	for _, r := range string(ret) {
+	for _, r := range bytesconv.BytesToString(ret) {
 		cvt := string(r)
 		if r >= 128 {
 			cvt = fmt.Sprintf("\\u%04x", int64(r))

backend/vendor/github.com/gin-gonic/gin/render/msgpack.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a MIT style
 // license that can be found in the LICENSE file.
 
+// +build !nomsgpack
+
 package render
 
 import (
@@ -10,6 +12,10 @@ import (
 	"github.com/ugorji/go/codec"
 )
 
+var (
+	_ Render = MsgPack{}
+)
+
 // MsgPack contains the given interface object.
 type MsgPack struct {
 	Data interface{}

backend/vendor/github.com/gin-gonic/gin/render/reader.go

@@ -21,7 +21,12 @@ type Reader struct {
 // Render (Reader) writes data with custom ContentType and headers.
 func (r Reader) Render(w http.ResponseWriter) (err error) {
 	r.WriteContentType(w)
-	r.Headers["Content-Length"] = strconv.FormatInt(r.ContentLength, 10)
+	if r.ContentLength >= 0 {
+		if r.Headers == nil {
+			r.Headers = map[string]string{}
+		}
+		r.Headers["Content-Length"] = strconv.FormatInt(r.ContentLength, 10)
+	}
 	r.writeHeaders(w, r.Headers)
 	_, err = io.Copy(w, r.Reader)
 	return

backend/vendor/github.com/gin-gonic/gin/render/render.go

@@ -27,7 +27,6 @@ var (
 	_ HTMLRender = HTMLDebug{}
 	_ HTMLRender = HTMLProduction{}
 	_ Render     = YAML{}
-	_ Render     = MsgPack{}
 	_ Render     = Reader{}
 	_ Render     = AsciiJSON{}
 	_ Render     = ProtoBuf{}