diff --git a/src/main/java/com/fr/plugin/form/widget/URLUtils.java b/src/main/java/com/fr/plugin/form/widget/URLUtils.java
new file mode 100644
index 0000000..b4553a5
--- /dev/null
+++ b/src/main/java/com/fr/plugin/form/widget/URLUtils.java
@@ -0,0 +1,81 @@
+package com.fr.plugin.form.widget;
+
+import com.fr.third.org.apache.http.NameValuePair;
+import com.fr.third.org.apache.http.message.BasicNameValuePair;
+import com.fr.third.org.apache.http.message.ParserCursor;
+import com.fr.third.org.apache.http.message.TokenParser;
+import com.fr.third.org.apache.http.util.Args;
+import com.fr.third.org.apache.http.util.CharArrayBuffer;
+
+import java.util.ArrayList;
+import java.util.BitSet;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * 参照{@link com.fr.third.org.apache.http.client.utils.URLEncodedUtils}
+ * 的代码，但是不进行解码操作，传入的 url 可以是未编码的
+ *
+ * @see com.fr.third.org.apache.http.client.utils.URLEncodedUtils
+ */
+@SuppressWarnings("ALL")
+public class URLUtils {
+
+    public static List<NameValuePair> parse(String s) {
+        if (s == null) {
+            return Collections.emptyList();
+        } else {
+            CharArrayBuffer buffer = new CharArrayBuffer(s.length());
+            buffer.append(s);
+            return parse(buffer, '&', ';');
+        }
+    }
+
+    public static List<NameValuePair> parse(String s, char... separators) {
+        if (s == null) {
+            return Collections.emptyList();
+        } else {
+            CharArrayBuffer buffer = new CharArrayBuffer(s.length());
+            buffer.append(s);
+            return parse(buffer, separators);
+        }
+    }
+
+    public static List<NameValuePair> parse(CharArrayBuffer buf, char... separators) {
+        Args.notNull(buf, "Char array buffer");
+        TokenParser tokenParser = TokenParser.INSTANCE;
+        BitSet delimSet = new BitSet();
+        int var6 = separators.length;
+
+        for (int var7 = 0; var7 < var6; ++var7) {
+            char separator = separators[var7];
+            delimSet.set(separator);
+        }
+
+        ParserCursor cursor = new ParserCursor(0, buf.length());
+        ArrayList<NameValuePair> list = new ArrayList<NameValuePair>();
+
+        while (!cursor.atEnd()) {
+            delimSet.set(61);
+            String name = tokenParser.parseToken(buf, cursor, delimSet);
+            String value = null;
+            if (!cursor.atEnd()) {
+                int delim = buf.charAt(cursor.getPos());
+                cursor.updatePos(cursor.getPos() + 1);
+                if (delim == '=') {
+                    delimSet.clear(61);
+                    value = tokenParser.parseValue(buf, cursor, delimSet);
+                    if (!cursor.atEnd()) {
+                        cursor.updatePos(cursor.getPos() + 1);
+                    }
+                }
+            }
+
+            if (!name.isEmpty()) {
+                list.add(new BasicNameValuePair(name, value));
+            }
+        }
+
+        return list;
+    }
+}
diff --git a/src/main/java/com/fr/plugin/form/widget/core/TemplateSource.java b/src/main/java/com/fr/plugin/form/widget/core/TemplateSource.java
index 367e169..50d3cea 100644
--- a/src/main/java/com/fr/plugin/form/widget/core/TemplateSource.java
+++ b/src/main/java/com/fr/plugin/form/widget/core/TemplateSource.java
@@ -9,20 +9,20 @@ import com.fr.general.FArray;
 import com.fr.json.JSONArray;
 import com.fr.json.JSONException;
 import com.fr.json.JSONObject;
+import com.fr.plugin.form.widget.URLUtils;
 import com.fr.script.Calculator;
 import com.fr.stable.CodeUtils;
 import com.fr.stable.ParameterProvider;
 import com.fr.stable.ProductConstants;
+import com.fr.stable.StringUtils;
 import com.fr.stable.UtilEvalError;
 import com.fr.stable.js.WidgetName;
 import com.fr.stable.script.CalculatorProvider;
 import com.fr.stable.xml.XMLPrintWriter;
 import com.fr.stable.xml.XMLableReader;
 import com.fr.third.org.apache.http.NameValuePair;
-import com.fr.third.org.apache.http.client.utils.URLEncodedUtils;
 
 import javax.servlet.http.HttpServletRequest;
-import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -55,10 +55,10 @@ public class TemplateSource extends RHIframeSource {
     public String getCalculatedUrl(Calculator calculator, HttpServletRequest req) {
         try {
             String realPath = TemplateUtils.render(path, calculator);
-            List<NameValuePair> pairs = URLEncodedUtils.parse("__emb__=" + realPath, Charset.forName("utf-8"));
+            List<NameValuePair> pairs = URLUtils.parse("__emb__=" + realPath);
             List<NameValuePair> extraPairs = new ArrayList<NameValuePair>();
             for (NameValuePair pair : pairs) {
-                if (pair.getName().equals("__emb__")) {
+                if ("__emb__".equals(pair.getName())) {
                     realPath = pair.getValue();
                 } else {
                     extraPairs.add(pair);
@@ -73,7 +73,7 @@ public class TemplateSource extends RHIframeSource {
                 }
             } else if (realPath.contains(".frm")) {
                 if (isNewerThan9()) {
-                    return  NetworkHelper.createServletURL(req) + "/view/form?viewlet=" + CodeUtils.encodeURIComponent(realPath) + createQueryString(extraPairs);
+                    return NetworkHelper.createServletURL(req) + "/view/form?viewlet=" + CodeUtils.encodeURIComponent(realPath) + createQueryString(extraPairs);
                 }
                 return NetworkHelper.createServletURL(req) + "?formlet=" + CodeUtils.encodeURIComponent(realPath) + createQueryString(extraPairs);
             }
@@ -89,12 +89,20 @@ public class TemplateSource extends RHIframeSource {
 
     private String createQueryString(List<NameValuePair> pairs) {
         StringBuilder sb = new StringBuilder();
-        for (int i = 0, len = pairs.size(); i < len; i ++) {
+        for (int i = 0, len = pairs.size(); i < len; i++) {
             NameValuePair pair = pairs.get(i);
             sb.append("&");
-            sb.append(CodeUtils.encodeURIComponent(pair.getName()));
+            String key = pair.getName();
+            if (key == null) {
+                key = StringUtils.EMPTY;
+            }
+            sb.append(CodeUtils.encodeURIComponent(key));
             sb.append("=");
-            sb.append(CodeUtils.encodeURIComponent(pair.getValue()));
+            String value = pair.getValue();
+            if (value == null) {
+                value = StringUtils.EMPTY;
+            }
+            sb.append(CodeUtils.encodeURIComponent(value));
         }
         return sb.toString();
     }