优化退出流程，统一注册到on_exit(

c/tem/ctl.h

@@ -3,6 +3,7 @@
 
 #include <pthread.h>
 #include "tools/log/log.h"
+#include "interpreter/interpreter.h"
 
 #define MAX_BUF 256
 #define HISTORY_BUF 256
@@ -17,8 +18,11 @@ typedef struct Ctl
     char *history[HISTORY_BUF];
     pthread_t logwathcher;
     log_manager *logmanager;
+    ctx *command;//解释器上下文
 }Ctl;
 
 Ctl *init_tem(log_manager *logmanager);
+int free_history(Ctl *self);
+
 
 #endif