修复锁未初始化BUG

client.go

@@ -134,6 +134,7 @@ type RealClient struct {
 // Date : 5:05 下午 2021/2/27
 func NewClient(config map[string]*FullConfig, parseErrorFunc func(err error) error) (ClientInterface, error) {
 	c := &OwnClient{
+		lock:           &sync.RWMutex{},
 		instanceTable:  make(map[string]*RealClient),
 		loggerTable:    make(map[string]*zap.Logger),
 		confTable:      config,