diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/engine/systemchannels/TextInputChannel.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/engine/systemchannels/TextInputChannel.ets
index 64de0365520ab8d460878afd71678be0e65e3601..b077d6b0fab48e669ec59857cce297d7d6f1ab16 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/engine/systemchannels/TextInputChannel.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/engine/systemchannels/TextInputChannel.ets
@@ -231,7 +231,7 @@ export class Configuration {
       throw new Error("Configuration JSON missing 'inputAction' property.");
     }
 
-    let fields:Array<ESObject> = null;
+    let fields:Array<ESObject> = new Array();
     if (json.fields !== null && json.fields !== undefined) {
       fields = json.fields.map((field:ESObject):ESObject => Configuration.fromJson(field));
     }
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/ListenableEditingState.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/ListenableEditingState.ets
index cac4a34cb7bb9e6cd878f18da3573894081ddc4d..6396d2520ea410535ef7d638b8868146c7344d18 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/ListenableEditingState.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/ListenableEditingState.ets
@@ -22,7 +22,7 @@ import TextInputChannel from '../../embedding/engine/systemchannels/TextInputCha
 const TAG =  "ListenableEditingState";
 export class ListenableEditingState {
 
-  private TextInputChannel: TextInputChannel|null = null ;
+  private TextInputChannel: TextInputChannel | null = null ;
   private client: number = 0
   //Cache used to storage software keyboard input action
   private mStringCache: string;
@@ -45,7 +45,7 @@ export class ListenableEditingState {
   private mComposingEndWhenBeginBatchEdit: number = 0;
 
 
-  constructor(TextInputChannel:TextInputChannel,client:number) {
+  constructor(TextInputChannel:TextInputChannel | null,client:number) {
     this.TextInputChannel = TextInputChannel;
     this.client = client
     this.mStringCache = "";
@@ -240,6 +240,10 @@ export class ListenableEditingState {
   }
 
   handleFunctionKey(functionKey: inputMethod.FunctionKey): void {
+    if(!this.TextInputChannel)
+    {
+      return
+    }
     switch (functionKey.enterKeyType) {
       case inputMethod.EnterKeyType.PREVIOUS:
         this.TextInputChannel.previous(this.client);
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/TextInputPlugin.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/TextInputPlugin.ets
index 5a47a5062cbce23d30918306550588c06d57dc2e..f29018808a58be674da97260e25aa302902c6dcb 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/TextInputPlugin.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/TextInputPlugin.ets
@@ -76,7 +76,7 @@ class TextInputMethodHandlerImpl implements TextInputMethodHandler {
         enterKeyType: 1
       }};
     this.plugin = plugin;
-    this.mEditable = new ListenableEditingState(null , 0);
+    this.mEditable = new ListenableEditingState(null, 0);
     this.inputMethodController = inputMethod.getController();
     this.inputTarget = new InputTarget(Type.NO_TARGET, 0);
   }