diff --git a/ts2panda/src/base/lreference.ts b/ts2panda/src/base/lreference.ts
index e27363aee3be3827527764c52f8feb4640fce0c0..b079b70bb89e2d0538d4bdff16aa07780845c735 100644
--- a/ts2panda/src/base/lreference.ts
+++ b/ts2panda/src/base/lreference.ts
@@ -139,7 +139,12 @@ export class LReference {
             let name = jshelpers.getTextOfIdentifierOrLiteral(<ts.Identifier>realNode);
             let variable = compiler.getCurrentScope().find(name);
             if (!variable.v) {
-                variable.v = compiler.getCurrentScope().add(name, VarDeclarationKind.NONE);
+                // @ts-ignore
+                if (ts.isGeneratedIdentifier(realNode)) {
+                    variable.v = compiler.getCurrentScope().add(name, VarDeclarationKind.VAR);
+                } else {
+                    variable.v = compiler.getCurrentScope().add(name, VarDeclarationKind.NONE);
+                }
             }
 
             return new LReference(realNode, compiler, isDeclaration, ReferenceKind.LocalOrGlobal, variable);
diff --git a/ts2panda/src/index.ts b/ts2panda/src/index.ts
index 61f2dbfed03983b0f4e2496871a577618c034b00..7fb5dca084cf97854b2eaade117d2d804b611d6f 100644
--- a/ts2panda/src/index.ts
+++ b/ts2panda/src/index.ts
@@ -110,6 +110,8 @@ function main(fileNames: string[], options: ts.CompilerOptions) {
                 // @ts-ignore
                 (ctx: ts.TransformationContext) => {
                     return (node: ts.SourceFile) => {
+                        makeAutoGeneratedNodeName(node);
+
                         if (ts.getEmitHelpers(node)) {
                             let newStatements = [];
                             ts.getEmitHelpers(node)?.forEach(
@@ -153,6 +155,30 @@ function main(fileNames: string[], options: ts.CompilerOptions) {
     });
 }
 
+let generatedVarId = 0;
+
+function makeAutoGeneratedNodeName(node: ts.Node) {
+    node.forEachChild(childNode => {
+        switch (childNode.kind) {
+            case ts.SyntaxKind.Identifier: {
+                // @ts-ignore
+                if (ts.isGeneratedIdentifier(childNode) && (<ts.Identifier>childNode).escapedText == "") {
+                    if (generatedVarId < 26) {  // #a ~ #z
+                        // @ts-ignore
+                        (<ts.Identifier>childNode).escapedText = "#" + String.fromCharCode(97 /* a */ + generatedVarId);
+                    } else {
+                        // @ts-ignore
+                        (<ts.Identifier>childNode).escapedText = "#" + (generatedVarId - 26);
+                    }
+                    generatedVarId++;
+                }
+                break;
+            }
+        }
+        makeAutoGeneratedNodeName(childNode);
+    });
+}
+
 function getDtsFiles(libDir: string): string[] {
     let dtsFiles:string[] = [];
     function finDtsFile(dir){