diff --git a/NetworkReconnection/entry/src/main/ets/pages/RCPReconnection.ets b/NetworkReconnection/entry/src/main/ets/pages/RCPReconnection.ets
index 75900d2a4691c6e9965984e88ee2fcc8cf1b77e2..4d1adb63e6c7bc5fdc117ce32f661b30d64f6012 100644
--- a/NetworkReconnection/entry/src/main/ets/pages/RCPReconnection.ets
+++ b/NetworkReconnection/entry/src/main/ets/pages/RCPReconnection.ets
@@ -90,11 +90,9 @@ export struct RCPReconnection {
   createRCPSession(): rcp.Session {
     const customHttpEventsHandler: rcp.HttpEventsHandler = {
       onDownloadProgress: (totalSize: number, transferredSize: number) => {
-        if (this.contentLength === -1) {
-          this.contentLength = totalSize;
-        }
+        this.contentLength = totalSize;
         this.downloadSize = transferredSize;
-        this.process = Math.floor(this.downloadSize / this.contentLength * 100);
+        this.process = this.contentLength === 0 ? 0 : Math.floor(this.downloadSize / this.contentLength * 100);
       },
 
       onDataEnd: () => {