不用每次都调用readAll

src/views/IM/current-session/index.vue

@@ -488,7 +488,9 @@ export default {
       this.POST("/im/msg/forward", params).then(res => {
         if (res.code === "000000") {
           this.convertMessageList(res.data, 2);
-          this.readAllMsg();
+          if(this.currentSession.unreadCount) {
+            this.readAllMsg();
+          }
         } else {
           this.$message({
             message: res.message,
@@ -647,7 +649,7 @@ export default {
             this.$forceUpdate();
           } else {
             flag = true;
-            this.messageList.push(item);
+            canPush && this.messageList.push(item);
           }
         } else {
           flag = true;
@@ -657,19 +659,9 @@ export default {
       if (flag) {
         this.$nextTick(() => {
           var element = document.querySelector(".scroll-box");
-          // element.scrollTop, element.scrollHeight true 1866 1877
-          console.log(
-            "element.scrollTop, element.scrollHeight",
-            element.scrollHeight,
-            element.scrollTop >=
-              element.scrollHeight - element.offsetHeight - 500,
-            element.scrollTop,
-            element.scrollHeight - element.offsetHeight - 200
-          );
-          // element.scrollTop, element.scrollHeight 1866 true 1066 1001
           if (
             element.scrollTop >=
-            element.scrollHeight - element.offsetHeight - 500
+            element.scrollHeight - element.offsetHeight - 300
           ) {
             element.scrollTop = element.scrollHeight - element.offsetHeight;
           }