修改包名，删除证书

harmonyApp/AppScope/app.json5

 {
   "app": {
-    "bundleName": "com.kmp.testtoolchain",
+    "bundleName": "com.dong.kmp.testtoolchain",
     "vendor": "example",
     "versionCode": 1000000,
     "versionName": "1.0.0",

harmonyApp/build-profile.json5

 {
   "app": {
     "signingConfigs": [
-      {
-        "name": "default",
-        "type": "HarmonyOS",
-        "material": {
-          "certpath": "/Users/dongsq/.ohos/config/default_harmonyApp_GthGxfoFAEmCFfCK6Yj5azdigDZk5Ro7gO2DpXptcpU=.cer",
-          "keyAlias": "debugKey",
-          "keyPassword": "0000001B4D777759A369BA58E74B7CBF665B52ED99B9A7D964529569A0B383E55B351C18705340A48F8734",
-          "profile": "/Users/dongsq/.ohos/config/default_harmonyApp_GthGxfoFAEmCFfCK6Yj5azdigDZk5Ro7gO2DpXptcpU=.p7b",
-          "signAlg": "SHA256withECDSA",
-          "storeFile": "/Users/dongsq/.ohos/config/default_harmonyApp_GthGxfoFAEmCFfCK6Yj5azdigDZk5Ro7gO2DpXptcpU=.p12",
-          "storePassword": "0000001B16D417C2B86C1E642998DD2105AD774871CE9605BF989A6AC78AC4E896081779BD64403ED03BC1"
-        }
-      }
+      
     ],
     "products": [
       {