feat: add note to reset and cif

quafu/circuits/quantum_circuit.py

@@ -822,9 +822,11 @@ def delay(self, pos, duration, unit="ns") -> "QuantumCircuit":
     def reset(self, qlist:List[int]= None) -> "QuantumCircuit":
         """
         Add reset for qubits in qlist.
-
+     
         Args:
             qlist (list[int]): A list contain the qubit need add reset. When qlist contain at least two qubit, the barrier will be added from minimum qubit to maximum qubit. For example: barrier([0, 2]) create barrier for qubits 0, 1, 2. To create discrete barrier, using barrier([0]), barrier([2]).
+        
+        Note: reset only support for simulator `qfvm_circ`.
         """
         if qlist is None:
             qlist = list(range(self.num))
@@ -891,6 +893,8 @@ def cif(self, cbits:List[int], condition:int):
             with qc.cif(cbits=[0], condition=1):
                 qc.x(2)
             qc.measure([2],[2])
+            
+        Note: cif only support for simulator `qfvm_circ`.
         """
         # check cbits
         if not len(set(cbits)) == len(cbits):