diff --git a/src/kit/taosdemox/taosdemox.c b/src/kit/taosdemox/taosdemox.c
index 8cf6330cf44b941e5d9f8b4331c21a9957142ddd..5c9fd025f0a39e03ea8eaedc1bc81bc7e88d8eb4 100644
--- a/src/kit/taosdemox/taosdemox.c
+++ b/src/kit/taosdemox/taosdemox.c
@@ -1969,7 +1969,7 @@ static bool getColumnAndTagTypeFromInsertJsonFile(cJSON* stbInfo, SSuperTable* s
 
   int count = 1;
   int index = 0;
-  StrColumn    columnCase = {0};
+  StrColumn    columnCase;
   
   //superTbls->columnCount = columnSize;  
   for (int k = 0; k < columnSize; ++k) {