diff --git a/components/soc/src/esp32/include/hal/mcpwm_ll.h b/components/soc/src/esp32/include/hal/mcpwm_ll.h
index ef4afa9cca..0d3f5a2d98 100644
--- a/components/soc/src/esp32/include/hal/mcpwm_ll.h
+++ b/components/soc/src/esp32/include/hal/mcpwm_ll.h
@@ -684,9 +684,9 @@ static inline mcpwm_capture_on_edge_t mcpwm_ll_get_captured_edge(mcpwm_dev_t *mc
     if (cap_sig == 0) {
         edge = mcpwm->cap_status.cap0_edge;
     } else if (cap_sig == 1) {
-        edge = mcpwm->cap_status.cap0_edge;
+        edge = mcpwm->cap_status.cap1_edge;
     } else {   //2
-        edge = mcpwm->cap_status.cap0_edge;
+        edge = mcpwm->cap_status.cap2_edge;
     }
     return (edge? MCPWM_NEG_EDGE: MCPWM_POS_EDGE);
 }
@@ -732,4 +732,4 @@ static inline mcpwm_intr_t mcpwm_ll_get_cap_intr_def(int bit)
 
 #ifdef __cplusplus
 }
-#endif
\ No newline at end of file
+#endif