diff --git a/trunk/src/protocol/srs_protocol_json.cpp b/trunk/src/protocol/srs_protocol_json.cpp
index 2465dea93..a87159fdb 100644
--- a/trunk/src/protocol/srs_protocol_json.cpp
+++ b/trunk/src/protocol/srs_protocol_json.cpp
@@ -1577,7 +1577,7 @@ string SrsJsonAny::dumps()
             return "\"" + to_str() + "\"";
         }
         case SRS_JSON_Boolean: {
-            return to_boolean()? "true":"false";
+            return to_boolean()? "true" : "false";
         }
         case SRS_JSON_Integer: {
             return srs_int2str(to_integer());
@@ -1600,11 +1600,9 @@ string SrsJsonAny::dumps()
             return arr->dumps();
         }
         default: {
-            break;
+            return "null";
         }
     }
-    
-    return "null";
 }
 
 SrsAmf0Any* SrsJsonAny::to_amf0()
diff --git a/trunk/src/utest/srs_utest_amf0.cpp b/trunk/src/utest/srs_utest_amf0.cpp
index e2e19e69b..b42823366 100644
--- a/trunk/src/utest/srs_utest_amf0.cpp
+++ b/trunk/src/utest/srs_utest_amf0.cpp
@@ -2561,5 +2561,17 @@ VOID TEST(ProtocolJSONTest, Dumps)
         EXPECT_STREQ("[]", p->dumps().c_str());
         srs_freep(p);
     }
+
+    if (true) {
+        SrsJsonAny* p = SrsJsonAny::object();
+        EXPECT_STREQ("{}", p->dumps().c_str());
+        srs_freep(p);
+    }
+
+    if (true) {
+        SrsJsonAny* p = SrsJsonAny::array();
+        EXPECT_STREQ("[]", p->dumps().c_str());
+        srs_freep(p);
+    }
 }