diff --git a/entry/src/main/ets/common/rearEndUnitsTool/tool/UdpByOne.ts b/entry/src/main/ets/common/rearEndUnitsTool/tool/UdpByOne.ts
index 1385e0f8..cbf815a5 100644
--- a/entry/src/main/ets/common/rearEndUnitsTool/tool/UdpByOne.ts
+++ b/entry/src/main/ets/common/rearEndUnitsTool/tool/UdpByOne.ts
@@ -118,18 +118,21 @@ export default class UdpByOne {
   public handleMsg() {
     let newMessage = PLCGPSData;
     if (this.GPSMsg) {
-      // 使用正则表达式提取$GPGGA消息
-      let GPGGAMsg = this.GPSMsg.match(/\$GPGGA[^$]*/)[0];
-      let GPGGAMsgArr = GPGGAMsg ? GPGGAMsg?.split(",").slice(0, 15) : [];
+      let GPGGAMatch = this.GPSMsg.match(/\$GPGGA[^$]*/);
+      let GPGGAMsgArr = GPGGAMatch ? GPGGAMatch[0]?.split(",").slice(0, 15) : [];
       //   使用正则提取$GPRMC消息
-      let GPRMCMsg = this.GPSMsg.match(/\$GPRMC[^$]*/)[0];
-      let GPRMCMsgArr = GPRMCMsg ? GPRMCMsg?.split(",").slice(0, 14) : [];
+      let GPRMCMatch = this.GPSMsg.match(/\$GPRMC[^$]*/);
+      let GPRMCMsgArr = GPRMCMatch ? GPRMCMatch?.split(",").slice(0, 14) : [];
       //   使用正则表达式提取$GPGST消息
       let GPGSTMatch = this.GPSMsg.match(/\$GPGST[^$]*/);
       let GPGSTMsgArr = GPGSTMatch ? GPGSTMatch[0]?.split(",").slice(0, 9) : [];
       //   使用正则提取$PTNL消息
-      let PTNLMsg = this.GPSMsg.match(/\$PTNL[^$]*/)[0];
-      let PTNLMsgArr = PTNLMsg.split(",")?.slice(0, 14);
+      let PTNLMatch = this.GPSMsg.match(/\$PTNL[^$]*/);
+      let PTNLMsgArr = PTNLMatch ? PTNLMatch[0].split(",")?.slice(0, 14) : [];
+
+      if(GPGGAMsgArr.length == 0 || GPRMCMsgArr.length ==0 || GPGSTMsgArr.length ==0 || PTNLMsgArr.length ==0){
+        return
+      }
 
 
       //   组合GPS数据