发布v2.15.1版本，更新内容请查看：https://github.com/bufanyun/hotgo/blob/v2.0/docs/guide-zh-CN/start-update-log.md

server/internal/library/hgrds/lock/lock.go

@@ -168,6 +168,7 @@ func (l *Lock) startWatchDog() {
 			}
 		case <-l.watchDog:
 			// 已经解锁
+			l.wg.Done()
 			return
 		}
 	}

server/internal/library/hgrds/lock/lock_test.go

@@ -6,9 +6,12 @@
 package lock_test
 
 import (
+	_ "github.com/gogf/gf/contrib/nosql/redis/v2"
+
 	"context"
 	"github.com/gogf/gf/v2/errors/gerror"
 	"hotgo/internal/library/hgrds/lock"
+	"runtime"
 	"sync"
 	"testing"
 	"time"
@@ -24,21 +27,43 @@ func TestDefaultLock(t *testing.T) {
 		if err != nil {
 			t.Error(err)
 		}
+		t.Log("A加锁成功")
 		time.Sleep(lock.DefaultTTL)
 		err = l.Unlock(context.Background())
 		if err != nil {
 			t.Error(err)
 		}
+		t.Log("A已释放锁")
 	}()
 
 	time.Sleep(time.Second)
 
 	go func() {
 		defer wg.Done()
-		l := lock.Mutex("test")
-		err := l.TryLock(context.Background())
-		if err != nil && !gerror.Is(err, lock.ErrLockFailed) {
-			t.Error(err)
+		for {
+			l := lock.Mutex("test")
+			err := l.TryLock(context.Background())
+			if err == nil {
+				t.Log("B加锁成功")
+
+				// 等待1s，模拟业务
+				time.Sleep(time.Second)
+
+				err = l.Unlock(context.Background())
+				if err != nil {
+					t.Error(err)
+				}
+				t.Log("B已释放锁")
+				break
+			}
+
+			if gerror.Is(err, lock.ErrLockFailed) {
+				t.Log("B加锁失败，等待1s重试...")
+				time.Sleep(time.Second)
+			} else {
+				t.Error(err)
+				return
+			}
 		}
 	}()
 	wg.Wait()
@@ -116,3 +141,12 @@ func TestNewLock2(t *testing.T) {
 		t.Errorf("count = %d", count)
 	}
 }
+
+func Test_Fix_watchDogMemoryLeak(t *testing.T) {
+	i := 0
+	for i < 5 {
+		TestDefaultLock(t)
+		t.Log("current goroutine num:", runtime.NumGoroutine())
+		i++
+	}
+}