diff --git a/src/gen/cmd_gen.js b/src/gen/cmd_gen.js
index e62079015162712498fa31eafa3be6d6a45a0683..cba8e805dbdd47a111641279556c3d023c104e79 100644
--- a/src/gen/cmd_gen.js
+++ b/src/gen/cmd_gen.js
@@ -83,7 +83,6 @@ function checkGenerate(fileName) {
         else {
             NapiLog.logError(result[1]);
         }
-
     }
     else {
         NapiLog.logError("file name " + fn + " format invalid, @ohos.input_sample.d.ts");
diff --git a/src/gen/main.js b/src/gen/main.js
index 703b10540c7b496a5bdb513103da727963b6a5dc..f5ea2f7cdfd7778ed078f51a475cb7f609700ee2 100644
--- a/src/gen/main.js
+++ b/src/gen/main.js
@@ -20,13 +20,16 @@ const re = require("./tools/re");
 function doGenerate(ifname, destdir) {
     let structOfTs = analyzeFile(ifname);
     let fn = re.getFileInPath(ifname)
-    let tt = re.match("@ohos.([a-zA-Z0-9]+).d.ts", fn)
+    let tt = re.match("@ohos.([\.a-z_A-Z0-9]+).d.ts", fn) 
     if(tt)
     {
-        let moduleName=re.getReg(fn,tt.regs[1]);
+        let moduleName =re.getReg(fn,tt.regs[1]);
+        if(moduleName[moduleName.length-1]==".") {
+            NapiLog.logError("file name " + fn + " format invalid, @ohos.input_sample.d.ts");
+            return; 
+        }
         generateAll(structOfTs, destdir, moduleName);
-    }
-    else {
+    } else {
         NapiLog.logError("file name " + fn + " format invalid, @ohos.input_sample.d.ts");
     }
 }