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/json-iterator/go/stream_float.go

@@ -1,6 +1,7 @@
 package jsoniter
 
 import (
+	"fmt"
 	"math"
 	"strconv"
 )
@@ -13,6 +14,10 @@ func init() {
 
 // WriteFloat32 write float32 to stream
 func (stream *Stream) WriteFloat32(val float32) {
+	if math.IsInf(float64(val), 0) || math.IsNaN(float64(val)) {
+		stream.Error = fmt.Errorf("unsupported value: %f", val)
+		return
+	}
 	abs := math.Abs(float64(val))
 	fmt := byte('f')
 	// Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right.
@@ -26,6 +31,10 @@ func (stream *Stream) WriteFloat32(val float32) {
 
 // WriteFloat32Lossy write float32 to stream with ONLY 6 digits precision although much much faster
 func (stream *Stream) WriteFloat32Lossy(val float32) {
+	if math.IsInf(float64(val), 0) || math.IsNaN(float64(val)) {
+		stream.Error = fmt.Errorf("unsupported value: %f", val)
+		return
+	}
 	if val < 0 {
 		stream.writeByte('-')
 		val = -val
@@ -54,6 +63,10 @@ func (stream *Stream) WriteFloat32Lossy(val float32) {
 
 // WriteFloat64 write float64 to stream
 func (stream *Stream) WriteFloat64(val float64) {
+	if math.IsInf(val, 0) || math.IsNaN(val) {
+		stream.Error = fmt.Errorf("unsupported value: %f", val)
+		return
+	}
 	abs := math.Abs(val)
 	fmt := byte('f')
 	// Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right.
@@ -67,6 +80,10 @@ func (stream *Stream) WriteFloat64(val float64) {
 
 // WriteFloat64Lossy write float64 to stream with ONLY 6 digits precision although much much faster
 func (stream *Stream) WriteFloat64Lossy(val float64) {
+	if math.IsInf(val, 0) || math.IsNaN(val) {
+		stream.Error = fmt.Errorf("unsupported value: %f", val)
+		return
+	}
 	if val < 0 {
 		stream.writeByte('-')
 		val = -val