diff --git a/internal/ai/application/runtime/types.go b/internal/ai/application/runtime/types.go
index faff57a..7373b59 100644
--- a/internal/ai/application/runtime/types.go
+++ b/internal/ai/application/runtime/types.go
@@ -23,7 +23,7 @@ type ResumeRequest struct {
 	AIAgent      *models.AIAgent
 	AIConfig     *models.AIConfig
 	CheckPointID string
-	ResumeData   map[string]any
+	ResumeData   map[string]string
 	ToolSet      *registry.ToolSet
 }
 
diff --git a/internal/ai/runtime/debug_run.go b/internal/ai/runtime/debug_run.go
index ca9c989..44bdb58 100644
--- a/internal/ai/runtime/debug_run.go
+++ b/internal/ai/runtime/debug_run.go
@@ -93,7 +93,7 @@ func DebugResumeSkill(ctx context.Context, req request.SkillDebugResumeRequest)
 		AIAgent:      aiAgent,
 		AIConfig:     aiConfig,
 		CheckPointID: strings.TrimSpace(req.CheckPointID),
-		ResumeData: map[string]any{
+		ResumeData: map[string]string{
 			strings.TrimSpace(pendingInterrupt.InterruptID): resumeText,
 		},
 	})
diff --git a/internal/ai/runtime/executor/run_options.go b/internal/ai/runtime/executor/run_options.go
index 34ba797..76d84ab 100644
--- a/internal/ai/runtime/executor/run_options.go
+++ b/internal/ai/runtime/executor/run_options.go
@@ -17,7 +17,7 @@ func resolveCheckPointID(input string, runID string) string {
 	return "eino_cp_" + strings.TrimSpace(runID)
 }
 
-func buildResumeDataMessage(resumeData map[string]any) *schema.Message {
+func buildResumeDataMessage(resumeData map[string]string) *schema.Message {
 	if len(resumeData) == 0 {
 		return nil
 	}
diff --git a/internal/ai/runtime/executor/types.go b/internal/ai/runtime/executor/types.go
index 9b35a38..572fb9f 100644
--- a/internal/ai/runtime/executor/types.go
+++ b/internal/ai/runtime/executor/types.go
@@ -22,7 +22,7 @@ type ResumeInput struct {
 	AIAgent      *models.AIAgent
 	AIConfig     *models.AIConfig
 	CheckPointID string
-	ResumeData   map[string]any
+	ResumeData   map[string]string
 	ToolSet      *registry.ToolSet
 }
 
diff --git a/internal/ai/runtime/runtime_reply_executor.go b/internal/ai/runtime/runtime_reply_executor.go
index 0eccc3a..11c700e 100644
--- a/internal/ai/runtime/runtime_reply_executor.go
+++ b/internal/ai/runtime/runtime_reply_executor.go
@@ -54,7 +54,7 @@ func (e *runtimeReplyExecutor) ResumePendingInterrupt(ctx context.Context, conve
 		AIAgent:      &aiAgent,
 		AIConfig:     aiConfig,
 		CheckPointID: strings.TrimSpace(pendingInterrupt.CheckPointID),
-		ResumeData: map[string]any{
+		ResumeData: map[string]string{
 			strings.TrimSpace(pendingInterrupt.InterruptID): strings.TrimSpace(message.Content),
 		},
 	})