diff --git a/source/dnode/mnode/transaction/src/trnInt.c b/source/dnode/mnode/transaction/src/trnInt.c
index 03c1a506b9..f7463ec369 100644
--- a/source/dnode/mnode/transaction/src/trnInt.c
+++ b/source/dnode/mnode/transaction/src/trnInt.c
@@ -191,6 +191,8 @@ void trnDrop(STrans *pTrans) {
   tfree(pTrans);
 }
 
+void trnSetRpcHandle(STrans *pTrans, void *rpcHandle) { pTrans->rpcHandle = rpcHandle; }
+
 static int32_t trnAppendArray(SArray *pArray, SSdbRaw *pRaw) {
   if (pArray == NULL || pRaw == NULL) {
     terrno = TSDB_CODE_MND_OUT_OF_MEMORY;
diff --git a/source/dnode/mnode/transaction/src/trnMain.c b/source/dnode/mnode/transaction/src/trnMain.c
index 1f8da2689e..6bb46f1283 100644
--- a/source/dnode/mnode/transaction/src/trnMain.c
+++ b/source/dnode/mnode/transaction/src/trnMain.c
@@ -17,13 +17,6 @@
 #include "trnInt.h"
 #include "trpc.h"
 
-void trnSetRpcHandle(STrans *pTrans, void *rpcHandle) {
-  if (pTrans != NULL) {
-    pTrans->rpcHandle = rpcHandle;
-  }
-}
-
-
 int32_t trnPrepare(STrans *pTrans, int32_t (*syncfp)(SSdbRaw *pRaw, void *pData)) {
   if (syncfp == NULL) return -1;
 
@@ -69,58 +62,128 @@ int32_t trnApply(SSdbRaw *pRaw, void *pData, int32_t code) {
   return 0;
 }
 
-int32_t trnExecuteRedoLogs(STrans *pTrans) {return 0;}
-int32_t trnExecuteUndoLogs(STrans *pTrans) {return 0;}
-int32_t trnExecuteCommitLogs(STrans *pTrans) {return 0;}
-int32_t trnExecuteRedoActions(STrans *pTrans) {return 0;}
-int32_t trnExecuteUndoActions(STrans *pTrans) {return 0;}
-static int32_t trnPerfomRollbackStage(STrans *pTrans) { return 0; }
+static int32_t trnExecuteArray(SArray *pArray) {
+  for (int32_t index = 0; index < pArray->size; ++index) {
+    SSdbRaw *pRaw = taosArrayGetP(pArray, index);
+    if (sdbWrite(pRaw) != 0) {
+      return -1;
+    }
+  }
+
+  return 0;
+}
+
+static int32_t trnExecuteRedoLogs(STrans *pTrans) { return trnExecuteArray(pTrans->redoLogs); }
+
+static int32_t trnExecuteUndoLogs(STrans *pTrans) { return trnExecuteArray(pTrans->undoLogs); }
+
+static int32_t trnExecuteCommitLogs(STrans *pTrans) { return trnExecuteArray(pTrans->commitLogs); }
+
+static int32_t trnExecuteRedoActions(STrans *pTrans) { return trnExecuteArray(pTrans->redoActions); }
+
+static int32_t trnExecuteUndoActions(STrans *pTrans) { return trnExecuteArray(pTrans->undoActions); }
+
+static int32_t trnPerformPrepareStage(STrans *pTrans) {
+  if (trnExecuteRedoLogs(pTrans) == 0) {
+    pTrans->stage = TRN_STAGE_EXECUTE;
+    return 0;
+  } else {
+    pTrans->stage = TRN_STAGE_ROLLBACK;
+    return -1;
+  }
+}
+
+static int32_t trnPerformExecuteStage(STrans *pTrans) {
+  int32_t code = trnExecuteRedoActions(pTrans);
+
+  if (code == 0) {
+    pTrans->stage = TRN_STAGE_COMMIT;
+    return 0;
+  } else if (code == TSDB_CODE_MND_ACTION_IN_PROGRESS) {
+    return -1;
+  } else {
+    if (pTrans->policy == TRN_POLICY_RETRY) {
+      pTrans->stage = TRN_STAGE_RETRY;
+    } else {
+      pTrans->stage = TRN_STAGE_ROLLBACK;
+    }
+    return 0;
+  }
+}
+
+static int32_t trnPerformCommitStage(STrans *pTrans) {
+  if (trnExecuteCommitLogs(pTrans) == 0) {
+    pTrans->stage = TRN_STAGE_EXECUTE;
+    return 0;
+  } else {
+    pTrans->stage = TRN_STAGE_ROLLBACK;
+    return -1;
+  }
+}
+
+static int32_t trnPerformRollbackStage(STrans *pTrans) {
+  if (trnExecuteCommitLogs(pTrans) == 0) {
+    pTrans->stage = TRN_STAGE_EXECUTE;
+    return 0;
+  } else {
+    pTrans->stage = TRN_STAGE_ROLLBACK;
+    return -1;
+  }
+}
+
+static int32_t trnPerformRetryStage(STrans *pTrans) {
+  if (trnExecuteCommitLogs(pTrans) == 0) {
+    pTrans->stage = TRN_STAGE_EXECUTE;
+    return 0;
+  } else {
+    pTrans->stage = TRN_STAGE_ROLLBACK;
+    return -1;
+  }
+}
 
 int32_t trnExecute(int32_t tranId) {
   int32_t code = 0;
 
   STrans *pTrans = sdbAcquire(SDB_TRANS, &tranId);
   if (pTrans == NULL) {
-    code = terrno;
-    return code;
+    return -1;
   }
 
   if (pTrans->stage == TRN_STAGE_PREPARE) {
-    code = trnExecuteRedoLogs(pTrans);
-    if (code == 0) {
-      pTrans->stage = TRN_STAGE_EXECUTE;
-    } else {
-      pTrans->stage = TRN_STAGE_ROLLBACK;
+    if (trnPerformPrepareStage(pTrans) != 0) {
+      sdbRelease(pTrans);
+      return -1;
     }
   }
 
   if (pTrans->stage == TRN_STAGE_EXECUTE) {
-    code = trnExecuteRedoActions(pTrans);
-    if (code == 0) {
-      pTrans->stage = TRN_STAGE_COMMIT;
-    } else if (code == TSDB_CODE_MND_ACTION_IN_PROGRESS) {
-      // do nothing
-    } else {
-      if (pTrans->policy == TRN_POLICY_RETRY) {
-        pTrans->stage = TRN_STAGE_RETRY;
-      } else {
-        pTrans->stage = TRN_STAGE_ROLLBACK;
-      }
+    if (trnPerformExecuteStage(pTrans) != 0) {
+      sdbRelease(pTrans);
+      return -1;
     }
   }
 
   if (pTrans->stage == TRN_STAGE_COMMIT) {
-    code = trnExecuteCommitLogs(pTrans);
-    if (code == 0) {
-      trnDrop(pTrans);
+    if (trnPerformCommitStage(pTrans) != 0) {
+      sdbRelease(pTrans);
+      return -1;
     }
   }
 
   if (pTrans->stage == TRN_STAGE_ROLLBACK) {
+    if (trnPerformRollbackStage(pTrans) != 0) {
+      sdbRelease(pTrans);
+      return -1;
+    }
   }
 
   if (pTrans->stage == TRN_STAGE_RETRY) {
+    if (trnPerformRetryStage(pTrans) != 0) {
+      sdbRelease(pTrans);
+      return -1;
+    }
   }
 
+  sdbRelease(pTrans);
   return 0;
 }
\ No newline at end of file