diff --git a/packages/plugins/plugin-cert/src/plugin/cert-plugin/cert-reader.ts b/packages/plugins/plugin-cert/src/plugin/cert-plugin/cert-reader.ts
index d82a6dc6..55d3f3a6 100644
--- a/packages/plugins/plugin-cert/src/plugin/cert-plugin/cert-reader.ts
+++ b/packages/plugins/plugin-cert/src/plugin/cert-plugin/cert-reader.ts
@@ -69,6 +69,9 @@ export class CertReader {
       return "";
     }
     const ic = this.crt.substring(start);
+    if (ic == null) {
+      return "";
+    }
     return ic.trim();
   }
 
diff --git a/packages/ui/certd-server/src/plugins/plugin-host/plugin/copy-to-local/index.ts b/packages/ui/certd-server/src/plugins/plugin-host/plugin/copy-to-local/index.ts
index 65b562e3..9804fffc 100644
--- a/packages/ui/certd-server/src/plugins/plugin-host/plugin/copy-to-local/index.ts
+++ b/packages/ui/certd-server/src/plugins/plugin-host/plugin/copy-to-local/index.ts
@@ -226,7 +226,7 @@ export class CopyCertToLocalPlugin extends AbstractTaskPlugin {
         this.hostIcPath = icPath;
       }
       if (pfxPath) {
-        pfxPath = icPath.trim();
+        pfxPath = pfxPath.trim();
         pfxPath = pfxPath.startsWith('/') ? pfxPath : path.join(Constants.dataDir, pfxPath);
         this.copyFile(tmpPfxPath, pfxPath);
         this.hostPfxPath = pfxPath;