diff --git a/test/maat_json.json b/test/maat_json.json
index 8f2ceb1..38f4bd6 100644
--- a/test/maat_json.json
+++ b/test/maat_json.json
@@ -548,6 +548,31 @@
                     ]
                 }
             ]
+        },
+        {
+            "compile_id": 142,
+            "service": 1,
+            "action": 1,
+            "do_blacklist": 1,
+            "do_log": 1,
+            "user_region": "anything",
+            "is_valid": "yes",
+            "groups": [
+                {
+                    "regions": [
+                        {
+                            "table_name": "HTTP_URL",
+                            "table_type": "string",
+                            "table_content": {
+                                "keywords": ",IgpwcjA0LnN2bzAzKgkxMjcuMC4wLjE",
+                                "expr_type": "none",
+                                "match_method": "sub",
+                                "format": "uncase plain"
+                            }
+                        }
+                    ]
+                }
+            ]
         }
     ],
     "plugin_table": [
diff --git a/test/test_maatframe.cpp b/test/test_maatframe.cpp
index bb8534b..1dfe92d 100644
--- a/test/test_maatframe.cpp
+++ b/test/test_maatframe.cpp
@@ -360,10 +360,30 @@ TEST(DigestScan, Pure)
 	Maat_clean_status(&mid);
 	return;
 }
-TEST(StringScan, EncodedURL)
+TEST(StringScan, GBKEncodedURL)
+{
+	const char* url_gb2312="www.baidu.com/?wd=C%23%D6%D0%B9%FA";
+	int table_id=0,ret=0;
+	struct Maat_rule_t result[4];
+	int found_pos[4];
+	
+	const char* table_name="HTTP_URL";	
+	scan_status_t mid=NULL;
+
+	table_id=Maat_table_register(g_feather,table_name);
+	ASSERT_GT(table_id, 0);
+	
+	ret=Maat_full_scan_string(g_feather, table_id,CHARSET_GBK, url_gb2312, strlen(url_gb2312), 
+						result,found_pos, 4,
+						&mid, 0);
+	EXPECT_GE(ret, 1);
+	Maat_clean_status(&mid);
+	return;
+}
+TEST(StringScan, UTF8EncodedURL)
 {
 	const char* url_utf8="www.google.com/?q=C%23%E4%B8%AD%E5%9B%BD";
-	const char* url_gb2312="www.baidu.com/?wd=C%23%D6%D0%B9%FA";
+	const char* url_utf8_qs="googlevideo.com/qs?nh=%2CIgpwcjA0LnN2bzAzKgkxMjcuMC4wLjE";
 	int table_id=0,ret=0;
 	struct Maat_rule_t result[4];
 	int found_pos[4];
@@ -377,16 +397,17 @@ TEST(StringScan, EncodedURL)
 	ret=Maat_full_scan_string(g_feather, table_id,CHARSET_GBK, url_utf8, strlen(url_utf8), 
 						result,found_pos, 4,
 						&mid, 0);
-	EXPECT_GE(ret, 1);
+	EXPECT_EQ(ret, 1);
 	Maat_clean_status(&mid);
 	
-	ret=Maat_full_scan_string(g_feather, table_id,CHARSET_GBK, url_gb2312, strlen(url_gb2312), 
+	ret=Maat_full_scan_string(g_feather, table_id,CHARSET_GBK, url_utf8_qs, strlen(url_utf8_qs), 
 						result,found_pos, 4,
 						&mid, 0);
-	EXPECT_GE(ret, 1);
+	EXPECT_GT(ret, 1);
 	Maat_clean_status(&mid);
 	return;
 }
+
 TEST(StringScan, UnicodeEscape)
 {
 	const char* test_data_dir="./testdata_uni2ascii";