diff --git a/src/tools/task/runtime.rs b/src/tools/task/runtime.rs
index 7fd60a8..505f2e0 100644
--- a/src/tools/task/runtime.rs
+++ b/src/tools/task/runtime.rs
@@ -188,6 +188,13 @@ impl DefaultSubAgentRuntime {
 
         match result {
             Ok(Ok(process_result)) => {
+                // 保存子智能体产生的所有消息到数据库
+                for message in &process_result.emitted_messages {
+                    if let Err(e) = self.conversation_repository.append_message(&session.session_id, message) {
+                        tracing::warn!(error = %e, session_id = %session.session_id, "Failed to append subagent message");
+                    }
+                }
+
                 let final_message = process_result.final_response;
                 Ok(TaskToolResult {
                     status: "success".to_string(),
@@ -232,6 +239,13 @@ impl DefaultSubAgentRuntime {
 
         match result {
             Ok(Ok(process_result)) => {
+                // 保存子智能体产生的所有消息到数据库
+                for message in &process_result.emitted_messages {
+                    if let Err(e) = self.conversation_repository.append_message(&session.session_id, message) {
+                        tracing::warn!(error = %e, session_id = %session.session_id, "Failed to append subagent message");
+                    }
+                }
+
                 let final_message = process_result.final_response;
                 Ok(TaskToolResult {
                     status: "success".to_string(),