diff --git a/api/apibasic/cmdid.hpp b/api/apibasic/cmdid.hpp
index 3b04515..c8e3a58 100644
--- a/api/apibasic/cmdid.hpp
+++ b/api/apibasic/cmdid.hpp
@@ -139,6 +139,9 @@ typedef enum {
   kpipette_aspirate             = CMDID(0x72, 9),   // param:(int32_t ul)
   kpipette_distribut            = CMDID(0x72, 10),  // param:(int32_t ul)
   kpipette_shake_up             = CMDID(0x72, 11),  // param:(int32_t ul, int32_t times)
+  kpipette_aspirate_llf         = CMDID(0x72, 12),  // param:(int32_t ul, int32_t dpos, int32_t zmotor_v)
+  kpipette_distribut_llf        = CMDID(0x72, 13),  // param:(int32_t ul, int32_t dpos, int32_t zmotor_v)
+  kpipette_shake_up_llf         = CMDID(0x72, 14),  // param:(int32_t ul, int32_t dpos, int32_t zmotor_v, int32_t times)
 
   kpipette_enable_zmotor              = CMDID(0x72, 20),  // para:{enable}, ack:{}
   kpipette_write_cmd_direct           = CMDID(0x72, 21),  // para:{strbuf}, ack:{strbuf}
diff --git a/api/zi_pipette_ctrl_module.hpp b/api/zi_pipette_ctrl_module.hpp
index b4ff097..e8fa0a7 100644
--- a/api/zi_pipette_ctrl_module.hpp
+++ b/api/zi_pipette_ctrl_module.hpp
@@ -11,17 +11,20 @@ class ZIPipetteCtrlModule {
  public:
   virtual ~ZIPipetteCtrlModule() {}
 
-  virtual int32_t pipette_ctrl_init_device()                                            = 0;
-  virtual int32_t pipette_ctrl_put_tip()                                                = 0;
-  virtual int32_t pipette_ctrl_move_to_ul(int32_t ul)                                   = 0;
-  virtual int32_t pipette_lld_prepare()                                                 = 0;
-  virtual int32_t pipette_plld(int32_t zdpos, int32_t p_threshold)                      = 0;
-  virtual int32_t pipette_clld(int32_t zdpos, int32_t c_threshold)                      = 0;
-  virtual int32_t pipette_mlld(int32_t zdpos, int32_t c_threshold, int32_t p_threshold) = 0;
-  virtual int32_t pipette_lld_is_detect_liquid(int32_t *liquid)                         = 0;
-  virtual int32_t pipette_aspirate(int32_t ul)                                          = 0;
-  virtual int32_t pipette_distribut(int32_t ul)                                         = 0;
-  virtual int32_t pipette_shake_up(int32_t ul, int32_t times)                           = 0;
+  virtual int32_t pipette_ctrl_init_device()                                                      = 0;
+  virtual int32_t pipette_ctrl_put_tip()                                                          = 0;
+  virtual int32_t pipette_ctrl_move_to_ul(int32_t ul)                                             = 0;
+  virtual int32_t pipette_lld_prepare()                                                           = 0;
+  virtual int32_t pipette_plld(int32_t zdpos, int32_t p_threshold)                                = 0;
+  virtual int32_t pipette_clld(int32_t zdpos, int32_t c_threshold)                                = 0;
+  virtual int32_t pipette_mlld(int32_t zdpos, int32_t c_threshold, int32_t p_threshold)           = 0;
+  virtual int32_t pipette_lld_is_detect_liquid(int32_t *liquid)                                   = 0;
+  virtual int32_t pipette_aspirate(int32_t ul)                                                    = 0;
+  virtual int32_t pipette_distribut(int32_t ul)                                                   = 0;
+  virtual int32_t pipette_shake_up(int32_t ul, int32_t times)                                     = 0;
+  virtual int32_t pipette_aspirate_llf(int32_t ul, int32_t dpos, int32_t zmotor_v)                = 0;
+  virtual int32_t pipette_distribut_llf(int32_t ul, int32_t dpos, int32_t zmotor_v)               = 0;
+  virtual int32_t pipette_shake_up_llf(int32_t ul, int32_t dpos, int32_t zmotor_v, int32_t times) = 0;
 
   virtual int32_t pipette_enable_zmotor(int32_t enable)                                                           = 0;
   virtual int32_t pipette_write_cmd_direct(uint8_t *tx, int32_t len, uint8_t *rx, int32_t *rxlen)                 = 0;