diff --git a/library/src/main/java/com/github/lzyzsd/jsbridge/BridgeWebView.java b/library/src/main/java/com/github/lzyzsd/jsbridge/BridgeWebView.java
index 37f69a1..a72157a 100644
--- a/library/src/main/java/com/github/lzyzsd/jsbridge/BridgeWebView.java
+++ b/library/src/main/java/com/github/lzyzsd/jsbridge/BridgeWebView.java
@@ -8,6 +8,7 @@
 import androidx.collection.ArrayMap;
 import android.text.TextUtils;
 import android.util.AttributeSet;
+import android.webkit.WebView;
 import android.util.Log;
 import android.webkit.JavascriptInterface;
 import android.webkit.WebSettings;
@@ -25,6 +26,11 @@
 @SuppressLint("SetJavaScriptEnabled")
 public class BridgeWebView extends WebView implements WebViewJavascriptBridge, BridgeWebViewClient.OnLoadJSListener {
 
+	private final int URL_MAX_CHARACTER_NUM=2097152;
+	public static final String toLoadJs = "WebViewJavascriptBridge.js";
+	Map<String, CallBackFunction> responseCallbacks = new HashMap<String, CallBackFunction>();
+	Map<String, BridgeHandler> messageHandlers = new HashMap<String, BridgeHandler>();
+	BridgeHandler defaultHandler = new DefaultHandler();
     private Map<String, OnBridgeCallback> mCallbacks = new ArrayMap<>();
 
     private List<Object> mMessages = new ArrayList<>();
@@ -192,7 +198,11 @@ private void dispatchMessage(Object message) {
         String javascriptCommand = String.format(BridgeUtil.JS_HANDLE_MESSAGE_FROM_JAVA, messageJson);
         // 必须要找主线程才会将数据传递出去 --- 划重点
         if (Thread.currentThread() == Looper.getMainLooper().getThread()) {
-            this.loadUrl(javascriptCommand);
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT&&javascriptCommand.length()>=URL_MAX_CHARACTER_NUM) {
+				this.evaluateJavascript(javascriptCommand,null);
+			}else {
+				this.loadUrl(javascriptCommand);
+			}
         }
     }