[bug]:fix get vendor failed

Author: frankie-zeng

docs/dev/test.md

@@ -6,9 +6,19 @@ The test of the project is based on the `Vitest` framework. Get more information
 
 All test code is located in the `test` directory. The test code is written in `TypeScript` and uses the `Vitest` framework to run the test.
 
-## Run Test
+## Run Specific Test File
+
+```bash
+npx vitest test/docan/candle.test.ts
+```
+
+## Run Specific Test Case with pattern
 
-To run the test, you can use the following command:
+```bash
+npx vitest test/docan/candle.test.ts --t "test name"
+```
+
+## Run Test
 
 ```bash
 npm run test

src/main/ipc/index.ts

@@ -71,10 +71,22 @@ ipcMain.handle('ipc-get-vendor', (event, arg) => {
   const input = arg as EcuBusPro
   const vendors = input.vendor[platform] || []
   return vendors.map((vendor) => {
+    let linVersion = 'unknown'
+    try {
+      linVersion = getLinVersion(vendor)
+    } catch (e: any) {
+      //null
+    }
+    let canVersion = 'unknown'
+    try {
+      canVersion = getCanVersion(vendor)
+    } catch (e: any) {
+      //null
+    }
     return {
       name: vendor,
-      can: getCanVersion(vendor),
-      lin: getLinVersion(vendor)
+      can: canVersion,
+      lin: linVersion
     }
   })
 })