diff --git a/ICS/FingerPrintForm.cs b/ICS/FingerPrintForm.cs
index 0a8892c..bf60454 100644
--- a/ICS/FingerPrintForm.cs
+++ b/ICS/FingerPrintForm.cs
@@ -251,7 +251,7 @@
                                 this.labelTips.Text = "请再按压" + (REGISTER_ROUND - RegisterCount) + "次";
                             }
                         } 
-                        else
+                        else if (RegisterCount < REGISTER_ROUND)
                         {
                             int matchRet = zkfp2.DBMatch(dbHandle, capTmp, regTmps[RegisterCount - 1]);
                             if (matchRet <= 0)