diff --git a/service/touch_event_normalize/src/touch_gesture_detector.cpp b/service/touch_event_normalize/src/touch_gesture_detector.cpp
index a6df6a91ac98259d4a021c2805bacf2d58d71fd5..a43aace93b4958bfda397c935b2274e61b20d7c2 100644
--- a/service/touch_event_normalize/src/touch_gesture_detector.cpp
+++ b/service/touch_event_normalize/src/touch_gesture_detector.cpp
@@ -447,7 +447,7 @@ TouchGestureDetector::SlideState TouchGestureDetector::ClacFingerMoveDirection(s
         }
         MMI_HILOGI("The pointerId:%{public}d,angle:%{public}.2f,direction:%{public}d", pointerId, angle, direction);
     }
-    if ((recognizedCount < downPoint_.size()) || InDiverseDirections(directions)) {
+    if ((recognizedCount < downPoint_.size()) || InDiverseDirections(directions) || directions.empty()) {
         return SlideState::DIRECTION_UNKNOW;
     }
     return *(directions.begin());
@@ -530,6 +530,10 @@ Point TouchGestureDetector::CalcGravityCenter(std::map<int32_t, Point> &points)
         ySum += (current[1] + next[1]) * crossProduct;
     }
     area /= arrCount;
+    if (area == 0.0) {
+        MMI_HILOGW("Area is zero, cannot calculate gravity center");
+        goto end;
+    }
     xSum /= count * area;
     ySum /= count * area;
 end: