From 5a398477ee4cf3369508ecfb8315919335c7e33d Mon Sep 17 00:00:00 2001
From: infeng <fzhihao@outlook.com>
Date: Mon, 16 Sep 2019 16:42:54 +0800
Subject: [PATCH] fix: activeIndex error

---
 src/ViewerCore.tsx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/ViewerCore.tsx b/src/ViewerCore.tsx
index 4cf0f7d..440e044 100644
--- a/src/ViewerCore.tsx
+++ b/src/ViewerCore.tsx
@@ -197,10 +197,12 @@ export default (props: ViewerProps) => {
   }, [state.visible]);
 
   React.useEffect(() => {
-    dispatch(createAction(ACTION_TYPES.setActiveIndex, {
-      index: activeIndex,
-    }));
-  }, [activeIndex]);
+    if (visible) {
+      dispatch(createAction(ACTION_TYPES.setActiveIndex, {
+        index: activeIndex,
+      }));
+    }
+  }, [activeIndex, visible]);
 
   function loadImg(currentActiveIndex, isReset = false) {
     dispatch(createAction(ACTION_TYPES.update, {