diff --git a/misc/config_tools/configurator/packages/configurator/src/lib/acrn.ts b/misc/config_tools/configurator/packages/configurator/src/lib/acrn.ts
index ef7f888ff..0c2b650df 100644
--- a/misc/config_tools/configurator/packages/configurator/src/lib/acrn.ts
+++ b/misc/config_tools/configurator/packages/configurator/src/lib/acrn.ts
@@ -266,7 +266,7 @@ class CAT {
         // if no CAT REGION INFO from board xml,
         // means this board(or CPU) not support CAT, or all support CAT region only have one CPU core
         if (this.CAT_REGION_INFO.length === 0) {
-            let errorMsg = 'This board(or CPU) not support CAT, or all support CAT region only have one CPU core';
+            let errorMsg = `This board(or CPU) doesn't support CAT which means there is no any CAT capability.</br>There is no Cache Region was shared which means \"all support CAT region only have one CPU core\".`;
             console.log(errorMsg);
             return {
                 errorMsg,
diff --git a/misc/config_tools/configurator/packages/configurator/src/pages/Config/ConfigForm/CustomWidget/CAT.vue b/misc/config_tools/configurator/packages/configurator/src/pages/Config/ConfigForm/CustomWidget/CAT.vue
index dcda14ea8..1fe98320c 100644
--- a/misc/config_tools/configurator/packages/configurator/src/pages/Config/ConfigForm/CustomWidget/CAT.vue
+++ b/misc/config_tools/configurator/packages/configurator/src/pages/Config/ConfigForm/CustomWidget/CAT.vue
@@ -58,7 +58,7 @@
     </div>
     <!-- begin CAT Table -->
     <div class="py-3" v-if="CAT_INFO.errorMsg">
-      {{ CAT_INFO.errorMsg }}
+      <span v-html="CAT_INFO.errorMsg"></span>
     </div>
     <div class="py-4" v-for="(CACHE_ALLOCATION,index) in CAT_INFO.regions" v-if="RDT_ENABLED==='y'">
       <p v-if="showInstruction(CACHE_ALLOCATION.level,index) ">