diff --git a/es2panda/test/parser/concurrent/using-const-lexical-variable-4-expected.txt b/es2panda/test/parser/concurrent/using-const-lexical-variable-4-expected.txt
index 6565cc7a6526e95d920e194e4413baa4ee9a27d9..296459a6acf0e4e6b07f5451e8dc4364800883a3 100644
--- a/es2panda/test/parser/concurrent/using-const-lexical-variable-4-expected.txt
+++ b/es2panda/test/parser/concurrent/using-const-lexical-variable-4-expected.txt
@@ -1,2 +1,2 @@
-Error: Concurrent function should only use import variable or local variable [using-const-lexical-variable-4.js:20:11]
+Error: Concurrent function should only use import variable or local variable, 'a' is not one of them [using-const-lexical-variable-4.js:20:11]
 the size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-1-expected.txt b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-1-expected.txt
index df76adeac5bd985beaa5641d2b61415861a49d4a..5ceb272d0e8aaed854b7c0fe2627e763bd2d2449 100644
--- a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-1-expected.txt
+++ b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-1-expected.txt
@@ -1,2 +1,2 @@
-Error: Concurrent function should only use import variable or local variable [using-mutable-lexical-variable-1.js:20:11]
+Error: Concurrent function should only use import variable or local variable, 'a' is not one of them [using-mutable-lexical-variable-1.js:20:11]
 the size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-2-expected.txt b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-2-expected.txt
index 741aa1119718aeef6486ffc9f783792dfede5924..31e320a2fead702fa4d1114844c865d69f3de93c 100644
--- a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-2-expected.txt
+++ b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-2-expected.txt
@@ -1,2 +1,2 @@
-Error: Concurrent function should only use import variable or local variable [using-mutable-lexical-variable-2.js:20:11]
+Error: Concurrent function should only use import variable or local variable, 'a' is not one of them [using-mutable-lexical-variable-2.js:20:11]
 the size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-3-expected.txt b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-3-expected.txt
index 015a6b4ab98ce0dfe2a05286e11e8779527cd03d..40d3e6e3a5541389e4222e7e6acb1681dd01bc0d 100644
--- a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-3-expected.txt
+++ b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-3-expected.txt
@@ -1,2 +1,2 @@
-Error: Concurrent function should only use import variable or local variable [using-mutable-lexical-variable-3.js:20:11]
+Error: Concurrent function should only use import variable or local variable, 'a' is not one of them [using-mutable-lexical-variable-3.js:20:11]
 the size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-4-expected.txt b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-4-expected.txt
index 80b0902093bfb278a33c66afe4c4fb4d0f969bf7..feac12bee69d46987e1f9440412fba2c22545575 100644
--- a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-4-expected.txt
+++ b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-4-expected.txt
@@ -1,2 +1,2 @@
-Error: Concurrent function should only use import variable or local variable [using-mutable-lexical-variable-4.js:21:15]
+Error: Concurrent function should only use import variable or local variable, 'a' is not one of them [using-mutable-lexical-variable-4.js:21:15]
 the size of programs is expected to be 1, but is 0
diff --git a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-5-expected.txt b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-5-expected.txt
index c07b60b0478655e0679659434ee83fc5f5dbcb22..cf2d433fbd8814d6243d2e05af98a173b11870d6 100644
--- a/es2panda/test/parser/concurrent/using-mutable-lexical-variable-5-expected.txt
+++ b/es2panda/test/parser/concurrent/using-mutable-lexical-variable-5-expected.txt
@@ -1,2 +1,2 @@
-Error: Concurrent function should only use import variable or local variable [using-mutable-lexical-variable-5.js:20:11]
+Error: Concurrent function should only use import variable or local variable, 'a' is not one of them [using-mutable-lexical-variable-5.js:20:11]
 the size of programs is expected to be 1, but is 0
diff --git a/es2panda/util/concurrent.cpp b/es2panda/util/concurrent.cpp
index 058fecbeb131345d6bab5025a46fc1b3a84d9199..2090f6af028a1c227578076eb8011a03ab1662bc 100644
--- a/es2panda/util/concurrent.cpp
+++ b/es2panda/util/concurrent.cpp
@@ -38,7 +38,7 @@ void Concurrent::SetConcurrent(ir::ScriptFunction *func, const ir::AstNode * nod
 }
 
 void Concurrent::ThrowInvalidConcurrentFunction(const lexer::LineIndex &lineIndex, const ir::AstNode *expr,
-                                     ConcurrentInvalidFlag errFlag)
+                                                ConcurrentInvalidFlag errFlag, util::StringView varName)
 {
     auto line = expr->Range().start.line;
     auto column = (const_cast<lexer::LineIndex &>(lineIndex)).GetLocation(expr->Range().start).col - 1;
@@ -49,8 +49,10 @@ void Concurrent::ThrowInvalidConcurrentFunction(const lexer::LineIndex &lineInde
             break;
         }
         case ConcurrentInvalidFlag::NOT_IMPORT_VARIABLE: {
-            throw Error {ErrorType::GENERIC, "Concurrent function should only use import variable or local variable",
-                         line, column};
+            std::stringstream ss;
+            ss << "Concurrent function should only use import variable or local variable, '" << varName
+               << "' is not one of them";
+            throw Error {ErrorType::GENERIC, ss.str(), line, column};
             break;
         }
         default:
@@ -69,7 +71,8 @@ void Concurrent::VerifyImportVarForConcurrentFunction(const lexer::LineIndex &li
         return;
     }
 
-    ThrowInvalidConcurrentFunction(lineIndex, node, ConcurrentInvalidFlag::NOT_IMPORT_VARIABLE);
+    ThrowInvalidConcurrentFunction(lineIndex, node, ConcurrentInvalidFlag::NOT_IMPORT_VARIABLE,
+                                   result.variable->Declaration()->Name());
 }
 
 } // namespace panda::es2panda::util
\ No newline at end of file
diff --git a/es2panda/util/concurrent.h b/es2panda/util/concurrent.h
index 633d65461706d5e654f0981e5a58ec78419ac20b..ae718dcabbb44f28db99d4b4b2a98aa524a4c27d 100644
--- a/es2panda/util/concurrent.h
+++ b/es2panda/util/concurrent.h
@@ -49,7 +49,7 @@ public:
 
     static void SetConcurrent(ir::ScriptFunction *func, const ir::AstNode *node, const lexer::LineIndex &lineIndex);
     static void ThrowInvalidConcurrentFunction(const lexer::LineIndex &lineIndex, const ir::AstNode *expr,
-                                    ConcurrentInvalidFlag errFlag);
+                                               ConcurrentInvalidFlag errFlag, util::StringView varName = "");
     static void VerifyImportVarForConcurrentFunction(const lexer::LineIndex &lineIndex, const ir::AstNode *node,
                                             const binder::ScopeFindResult &result);
 };