diff --git a/pkg/strategy/atrpin/strategy.go b/pkg/strategy/atrpin/strategy.go
index bc2529f61..dae310db7 100644
--- a/pkg/strategy/atrpin/strategy.go
+++ b/pkg/strategy/atrpin/strategy.go
@@ -38,7 +38,9 @@ type Strategy struct {
 }
 
 func (s *Strategy) Initialize() error {
-	s.Strategy = &common.Strategy{}
+	if s.Strategy == nil {
+		s.Strategy = &common.Strategy{}
+	}
 	return nil
 }
 
diff --git a/pkg/strategy/random/strategy.go b/pkg/strategy/random/strategy.go
index cb62667af..1d9544032 100644
--- a/pkg/strategy/random/strategy.go
+++ b/pkg/strategy/random/strategy.go
@@ -42,7 +42,9 @@ func (s *Strategy) Defaults() error {
 }
 
 func (s *Strategy) Initialize() error {
-	s.Strategy = &common.Strategy{}
+	if s.Strategy == nil {
+		s.Strategy = &common.Strategy{}
+	}
 	return nil
 }
 
diff --git a/pkg/strategy/wall/strategy.go b/pkg/strategy/wall/strategy.go
index 39ef033f9..58ef15bc0 100644
--- a/pkg/strategy/wall/strategy.go
+++ b/pkg/strategy/wall/strategy.go
@@ -65,7 +65,9 @@ type Strategy struct {
 }
 
 func (s *Strategy) Initialize() error {
-	s.Strategy = &common.Strategy{}
+	if s.Strategy == nil {
+		s.Strategy = &common.Strategy{}
+	}
 	return nil
 }
 
diff --git a/pkg/strategy/xfixedmaker/strategy.go b/pkg/strategy/xfixedmaker/strategy.go
index 01b10b8c4..fe7e2a855 100644
--- a/pkg/strategy/xfixedmaker/strategy.go
+++ b/pkg/strategy/xfixedmaker/strategy.go
@@ -55,7 +55,9 @@ func (s *Strategy) Defaults() error {
 }
 
 func (s *Strategy) Initialize() error {
-	s.Strategy = &common.Strategy{}
+	if s.Strategy == nil {
+		s.Strategy = &common.Strategy{}
+	}
 	return nil
 }