diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 2047573b74..98e58c8bd7 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -2530,7 +2530,6 @@ int32_t dumpBlockData(SSDataBlock* pDataBlock, const char* flag, char** pDataBuf
       SColumnInfoData* pColInfoData = taosArrayGet(pDataBlock->pDataBlock, k);
       if (pColInfoData == NULL) {
         code = terrno;
-        uError("invalid param, size of list:%d index k:%d", (int32_t) taosArrayGetSize(pDataBlock->pDataBlock), k)
         goto _exit;
       }
 
@@ -2611,7 +2610,10 @@ int32_t dumpBlockData(SSDataBlock* pDataBlock, const char* flag, char** pDataBuf
           if (code < 0) {
             uError("func %s failed to convert to ucs charset since %s", __func__, tstrerror(code));
             goto _exit;
+          } else { // reset the length value
+            code = TSDB_CODE_SUCCESS;
           }
+
           len += snprintf(dumpBuf + len, size - len, " %15s |", pBuf);
           if (len >= size - 1) goto _exit;
         } break;