diff --git a/src/kit/shell/src/shellAuto.c b/src/kit/shell/src/shellAuto.c
index 04cfe69ef6918b5b8c6b15b70128a0cac4fb5067..29df87a1115e08931f2f40ca9713f18ccdf1712c 100644
--- a/src/kit/shell/src/shellAuto.c
+++ b/src/kit/shell/src/shellAuto.c
@@ -944,39 +944,43 @@ bool matchVarWord(SWord* word1, SWord* word2) {
 //
 
 
-// compare command cmd1 come from shellCommands , cmd2 come from user input
-int32_t compareCommand(SWords * cmd1, SWords * cmd2) {
-  SWord * word1 = cmd1->head;
-  SWord * word2 = cmd2->head;
+// compare command cmdPattern come from shellCommands , cmdInput come from user input
+int32_t compareCommand(SWords* cmdPattern, SWords* cmdInput) {
+  SWord* wordPattern = cmdPattern->head;
+  SWord* wordInput = cmdInput->head;
 
-  if (word1 == NULL || word2 == NULL) {
+  if (wordPattern == NULL || wordInput == NULL) {
     return -1;
   }
 
-  for (int32_t i = 0; i < cmd1->count; i++) {
-    if (word1->type == WT_TEXT) {
+  for (int32_t i = 0; i < cmdPattern->count; i++) {
+    if (wordPattern->type == WT_TEXT) {
       // WT_TEXT match
-      if (word1->len == word2->len) {
-        if (strncasecmp(word1->word, word2->word, word1->len) != 0)
-          return -1; 
-      } else if (word1->len < word2->len) {
+      if (wordPattern->len == wordInput->len) {
+        if (strncasecmp(wordPattern->word, wordInput->word, wordPattern->len) != 0) return -1;
+      } else if (wordPattern->len < wordInput->len) {
         return -1;
       } else {
-        // word1->len > word2->len
-        if (strncasecmp(word1->word, word2->word, word2->len) == 0) {
-          cmd1->matchIndex = i;
-          cmd1->matchLen = word2->len;
-          return i;
+        // wordPattern->len > wordInput->len
+        if (strncasecmp(wordPattern->word, wordInput->word, wordInput->len) == 0) {
+          if (i + 1 == cmdInput->count) {
+            // last word return match
+            cmdPattern->matchIndex = i;
+            cmdPattern->matchLen = wordInput->len;
+            return i;
+          } else {
+            return -1;
+          }
         } else {
           return -1;
         }
       }
     } else {
       // WT_VAR auto match any one word
-      if (word2->next == NULL) { // input words last one
-        if (matchVarWord(word1, word2)) {
-          cmd1->matchIndex = i;
-          cmd1->matchLen = word2->len;
+      if (wordInput->next == NULL) {  // input words last one
+        if (matchVarWord(wordPattern, wordInput)) {
+          cmdPattern->matchIndex = i;
+          cmdPattern->matchLen = wordInput->len;
           varMode = true;
           return i;
         }
@@ -985,9 +989,9 @@ int32_t compareCommand(SWords * cmd1, SWords * cmd2) {
     }
 
     // move next
-    word1 = word1->next;
-    word2 = word2->next;
-    if (word1 == NULL || word2 == NULL) {
+    wordPattern = wordPattern->next;
+    wordInput = wordInput->next;
+    if (wordPattern == NULL || wordInput == NULL) {
       return -1;
     }
   }