diff --git a/version.txt b/version.txt
index 589268e..6261a05 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.3.0
\ No newline at end of file
+1.3.1
\ No newline at end of file
diff --git a/zh_pcf8574.c b/zh_pcf8574.c
index 3c01974..7a64c62 100644
--- a/zh_pcf8574.c
+++ b/zh_pcf8574.c
@@ -240,7 +240,6 @@ static void IRAM_ATTR _zh_pcf8574_isr_processing_task(void *pvParameter)
                         event.gpio_number = j;
                         event.gpio_level = new_reg & _gpio_matrix[j];
                     }
-                    break;
                 }
             }
             if (event.gpio_number != 0xFF)